{
  "status": "verified-estimate",
  "perServing": {
    "calories": 408,
    "protein": 4.7,
    "carbs": 52.7,
    "fat": 21.2,
    "sugar": 35.4
  },
  "servings": 8,
  "servingBasis": "1/8 of the complete recipe; finished serving weight not measured",
  "ingredientSnapshot": [
    "½ cup unsalted butter, softened",
    "½ cup brown sugar",
    "¼ cup granulated sugar",
    "1 egg",
    "1 tsp vanilla extract",
    "1¼ cups all-purpose flour",
    "½ tsp baking soda",
    "¼ tsp salt",
    "¾ cup chocolate chunks",
    "240 g vanilla or chocolate ice cream for serving",
    "5 g unsalted butter, softened, for greasing the skillet"
  ],
  "method": "Ingredient-sum estimate using USDA with documented primary-source supplements; complete recipe divided by stated servings",
  "sources": [
    "https://fdc.nal.usda.gov/food-details/167575/nutrients",
    "https://fdc.nal.usda.gov/food-details/167976/nutrients",
    "https://fdc.nal.usda.gov/food-details/168833/nutrients",
    "https://fdc.nal.usda.gov/food-details/168894/nutrients",
    "https://fdc.nal.usda.gov/food-details/169655/nutrients",
    "https://fdc.nal.usda.gov/food-details/171287/nutrients",
    "https://fdc.nal.usda.gov/food-details/173430/nutrients",
    "https://fdc.nal.usda.gov/food-details/173468/nutrients",
    "https://fdc.nal.usda.gov/food-details/173471/nutrients",
    "https://fdc.nal.usda.gov/food-details/175040/nutrients",
    "https://fdc.nal.usda.gov/fdc-datasets/FoodData_Central_sr_legacy_food_csv_2018-04.zip"
  ],
  "notes": [
    "Estimated from listed ingredient amounts and USDA nutrient profiles, divided by the stated number of servings. Not laboratory analysis or kitchen testing.",
    "The ingredient-sum method uses raw or cooked food profiles matching the ingredient state. Moisture gain/loss does not change the stated serving count. No general cooking/fermentation nutrient-retention factors are applied.",
    "Unless a discard/absorption blocker is listed, all measured pan fats and sauces are assumed consumed. Actual amounts left in pans, on utensils or during cooking can reduce intake. Optional additions are excluded when noted.",
    "Calories are kcal. Protein, total carbohydrate, total fat and total sugar are grams. Total carbohydrate includes fiber; these are not net carbs. No %DV or FDA-compliance claim.",
    "Null means unavailable, never zero. Sodium and fiber are omitted because retention, brands, rinsing and missing source rows make them less reliable here.",
    "Vanilla ice cream selected from the stated vanilla-or-chocolate choice.",
    "Includes all 5 g separately specified pan-greasing butter; batter, filling, sauce or crust butter is not reduced."
  ],
  "ingredients": [
    {
      "sourceIndex": 0,
      "sourceText": "½ cup unsalted butter, softened",
      "components": [
        {
          "ingredientKey": "butter",
          "fdc_id": "173430",
          "foodDescription": "Butter, without salt",
          "foodState": "Butter, without salt",
          "quantity": 0.5,
          "unit": "cup",
          "notes": [
            "Unspecified butter modeled as unsalted."
          ],
          "grams": 113.5,
          "conversion": {
            "type": "USDA-food-portion",
            "portionRow": {
              "id": "92513",
              "fdc_id": "173430",
              "seq_num": "3",
              "amount": "1",
              "measure_unit_id": "9999",
              "portion_description": "",
              "modifier": "cup",
              "gram_weight": "227",
              "data_points": "",
              "footnote": "",
              "min_year_acquired": ""
            },
            "scaling": "0.5 cup; 16 tbsp = 48 tsp = 1 US customary cup; 1 cup = 236.5882365 ml when converting metric liquid volume.",
            "weightAssumption": "USDA household weight for the specified food and form."
          },
          "per100g": {
            "calories": 717,
            "protein": 0.85,
            "carbs": 0.06,
            "fat": 81.11,
            "sugar": 0.06
          },
          "contribution": {
            "calories": 813.795,
            "protein": 0.96475,
            "carbs": 0.0681,
            "fat": 92.05985000000001,
            "sugar": 0.0681
          },
          "status": "mapped"
        }
      ]
    },
    {
      "sourceIndex": 1,
      "sourceText": "½ cup brown sugar",
      "components": [
        {
          "ingredientKey": "brown_sugar",
          "fdc_id": "168833",
          "foodDescription": "Sugars, brown",
          "foodState": "Sugars, brown",
          "quantity": 0.5,
          "unit": "cup",
          "notes": [],
          "grams": 110,
          "conversion": {
            "type": "USDA-food-portion",
            "portionRow": {
              "id": "83855",
              "fdc_id": "168833",
              "seq_num": "2",
              "amount": "1",
              "measure_unit_id": "9999",
              "portion_description": "",
              "modifier": "cup packed",
              "gram_weight": "220",
              "data_points": "",
              "footnote": "",
              "min_year_acquired": ""
            },
            "scaling": "0.5 cup; 16 tbsp = 48 tsp = 1 US customary cup; 1 cup = 236.5882365 ml when converting metric liquid volume.",
            "weightAssumption": "USDA household weight for the specified food and form."
          },
          "per100g": {
            "calories": 380,
            "protein": 0.12,
            "carbs": 98.09,
            "fat": 0,
            "sugar": 97.02
          },
          "contribution": {
            "calories": 418,
            "protein": 0.132,
            "carbs": 107.899,
            "fat": 0,
            "sugar": 106.722
          },
          "status": "mapped"
        }
      ]
    },
    {
      "sourceIndex": 2,
      "sourceText": "¼ cup granulated sugar",
      "components": [
        {
          "ingredientKey": "sugar",
          "fdc_id": "169655",
          "foodDescription": "Sugars, granulated",
          "foodState": "Sugars, granulated",
          "quantity": 0.25,
          "unit": "cup",
          "notes": [],
          "grams": 50,
          "conversion": {
            "type": "USDA-food-portion",
            "portionRow": {
              "id": "85288",
              "fdc_id": "169655",
              "seq_num": "3",
              "amount": "1",
              "measure_unit_id": "9999",
              "portion_description": "",
              "modifier": "cup",
              "gram_weight": "200",
              "data_points": "",
              "footnote": "",
              "min_year_acquired": ""
            },
            "scaling": "0.25 cup; 16 tbsp = 48 tsp = 1 US customary cup; 1 cup = 236.5882365 ml when converting metric liquid volume.",
            "weightAssumption": "USDA household weight for the specified food and form."
          },
          "per100g": {
            "calories": 387,
            "protein": 0,
            "carbs": 99.98,
            "fat": 0,
            "sugar": 99.8
          },
          "contribution": {
            "calories": 193.5,
            "protein": 0,
            "carbs": 49.99,
            "fat": 0,
            "sugar": 49.9
          },
          "status": "mapped"
        }
      ]
    },
    {
      "sourceIndex": 3,
      "sourceText": "1 egg",
      "components": [
        {
          "ingredientKey": "egg",
          "fdc_id": "171287",
          "foodDescription": "Egg, whole, raw, fresh",
          "foodState": "Egg, whole, raw, fresh",
          "quantity": 1,
          "unit": "each",
          "notes": [],
          "grams": 50,
          "conversion": {
            "type": "USDA-food-portion",
            "portionRow": {
              "id": "88374",
              "fdc_id": "171287",
              "seq_num": "1",
              "amount": "1",
              "measure_unit_id": "9999",
              "portion_description": "",
              "modifier": "large",
              "gram_weight": "50",
              "data_points": "",
              "footnote": "",
              "min_year_acquired": ""
            },
            "scaling": "1.0 each; 16 tbsp = 48 tsp = 1 US customary cup; 1 cup = 236.5882365 ml when converting metric liquid volume.",
            "weightAssumption": "Representative USDA unit size for unspecified count."
          },
          "per100g": {
            "calories": 143,
            "protein": 12.56,
            "carbs": 0.72,
            "fat": 9.51,
            "sugar": 0.37
          },
          "contribution": {
            "calories": 71.5,
            "protein": 6.28,
            "carbs": 0.36,
            "fat": 4.755,
            "sugar": 0.185
          },
          "status": "mapped"
        }
      ]
    },
    {
      "sourceIndex": 4,
      "sourceText": "1 tsp vanilla extract",
      "components": [
        {
          "ingredientKey": "vanilla",
          "fdc_id": "173471",
          "foodDescription": "Vanilla extract",
          "foodState": "Vanilla extract",
          "quantity": 1,
          "unit": "tsp",
          "notes": [],
          "grams": 4.2,
          "conversion": {
            "type": "USDA-food-portion",
            "portionRow": {
              "id": "92603",
              "fdc_id": "173471",
              "seq_num": "1",
              "amount": "1",
              "measure_unit_id": "9999",
              "portion_description": "",
              "modifier": "tsp",
              "gram_weight": "4.2",
              "data_points": "",
              "footnote": "",
              "min_year_acquired": ""
            },
            "scaling": "1.0 tsp; 16 tbsp = 48 tsp = 1 US customary cup; 1 cup = 236.5882365 ml when converting metric liquid volume.",
            "weightAssumption": "USDA household weight for the specified food and form."
          },
          "per100g": {
            "calories": 288,
            "protein": 0.06,
            "carbs": 12.65,
            "fat": 0.06,
            "sugar": 12.65
          },
          "contribution": {
            "calories": 12.096000000000002,
            "protein": 0.00252,
            "carbs": 0.5313,
            "fat": 0.00252,
            "sugar": 0.5313
          },
          "status": "mapped"
        }
      ]
    },
    {
      "sourceIndex": 5,
      "sourceText": "1¼ cups all-purpose flour",
      "components": [
        {
          "ingredientKey": "flour",
          "fdc_id": "168894",
          "foodDescription": "Wheat flour, white, all-purpose, enriched, bleached",
          "foodState": "Wheat flour, white, all-purpose, enriched, bleached",
          "quantity": 1.25,
          "unit": "cup",
          "notes": [],
          "grams": 156.25,
          "conversion": {
            "type": "USDA-food-portion",
            "portionRow": {
              "id": "83944",
              "fdc_id": "168894",
              "seq_num": "1",
              "amount": "1",
              "measure_unit_id": "9999",
              "portion_description": "",
              "modifier": "cup",
              "gram_weight": "125",
              "data_points": "",
              "footnote": "",
              "min_year_acquired": ""
            },
            "scaling": "1.25 cup; 16 tbsp = 48 tsp = 1 US customary cup; 1 cup = 236.5882365 ml when converting metric liquid volume.",
            "weightAssumption": "USDA household weight for the specified food and form."
          },
          "per100g": {
            "calories": 364,
            "protein": 10.33,
            "carbs": 76.31,
            "fat": 0.98,
            "sugar": 0.27
          },
          "contribution": {
            "calories": 568.75,
            "protein": 16.140625,
            "carbs": 119.234375,
            "fat": 1.53125,
            "sugar": 0.421875
          },
          "status": "mapped"
        }
      ]
    },
    {
      "sourceIndex": 6,
      "sourceText": "½ tsp baking soda",
      "components": [
        {
          "ingredientKey": "baking_soda",
          "fdc_id": "175040",
          "foodDescription": "Leavening agents, baking soda",
          "foodState": "Leavening agents, baking soda",
          "quantity": 0.5,
          "unit": "tsp",
          "notes": [],
          "grams": 2.3,
          "conversion": {
            "type": "USDA-food-portion",
            "portionRow": {
              "id": "95484",
              "fdc_id": "175040",
              "seq_num": "1",
              "amount": "1",
              "measure_unit_id": "9999",
              "portion_description": "",
              "modifier": "tsp",
              "gram_weight": "4.6",
              "data_points": "",
              "footnote": "",
              "min_year_acquired": ""
            },
            "scaling": "0.5 tsp; 16 tbsp = 48 tsp = 1 US customary cup; 1 cup = 236.5882365 ml when converting metric liquid volume.",
            "weightAssumption": "USDA household weight for the specified food and form."
          },
          "per100g": {
            "calories": 0,
            "protein": 0,
            "carbs": 0,
            "fat": 0,
            "sugar": 0
          },
          "contribution": {
            "calories": 0,
            "protein": 0,
            "carbs": 0,
            "fat": 0,
            "sugar": 0
          },
          "status": "mapped"
        }
      ]
    },
    {
      "sourceIndex": 7,
      "sourceText": "¼ tsp salt",
      "components": [
        {
          "ingredientKey": "salt",
          "fdc_id": "173468",
          "foodDescription": "Salt, table",
          "foodState": "Salt, table",
          "quantity": 0.25,
          "unit": "tsp",
          "notes": [
            "Salt has zero calories/protein/carbs/fat/sugar in USDA; sodium is not included."
          ],
          "grams": 1.5,
          "conversion": {
            "type": "USDA-food-portion",
            "portionRow": {
              "id": "92594",
              "fdc_id": "173468",
              "seq_num": "1",
              "amount": "1",
              "measure_unit_id": "9999",
              "portion_description": "",
              "modifier": "tsp",
              "gram_weight": "6",
              "data_points": "",
              "footnote": "",
              "min_year_acquired": ""
            },
            "scaling": "0.25 tsp; 16 tbsp = 48 tsp = 1 US customary cup; 1 cup = 236.5882365 ml when converting metric liquid volume.",
            "weightAssumption": "USDA household weight for the specified food and form."
          },
          "per100g": {
            "calories": 0,
            "protein": 0,
            "carbs": 0,
            "fat": 0,
            "sugar": 0
          },
          "contribution": {
            "calories": 0,
            "protein": 0,
            "carbs": 0,
            "fat": 0,
            "sugar": 0
          },
          "status": "mapped"
        }
      ]
    },
    {
      "sourceIndex": 8,
      "sourceText": "¾ cup chocolate chunks",
      "components": [
        {
          "ingredientKey": "choc_chips",
          "fdc_id": "167976",
          "foodDescription": "Candies, semisweet chocolate",
          "foodState": "Candies, semisweet chocolate",
          "quantity": 0.75,
          "unit": "cup",
          "notes": [
            "Chocolate chips/chunks modeled as semisweet chocolate."
          ],
          "grams": 136.5,
          "conversion": {
            "type": "USDA-food-portion",
            "portionRow": {
              "id": "82316",
              "fdc_id": "167976",
              "seq_num": "2",
              "amount": "1",
              "measure_unit_id": "9999",
              "portion_description": "",
              "modifier": "cup large chips",
              "gram_weight": "182",
              "data_points": "",
              "footnote": "",
              "min_year_acquired": ""
            },
            "scaling": "0.75 cup; 16 tbsp = 48 tsp = 1 US customary cup; 1 cup = 236.5882365 ml when converting metric liquid volume.",
            "weightAssumption": "USDA household weight for the specified food and form."
          },
          "per100g": {
            "calories": 480,
            "protein": 4.2,
            "carbs": 63.9,
            "fat": 30,
            "sugar": 54.5
          },
          "contribution": {
            "calories": 655.2,
            "protein": 5.7330000000000005,
            "carbs": 87.2235,
            "fat": 40.95,
            "sugar": 74.3925
          },
          "status": "mapped"
        }
      ]
    },
    {
      "sourceIndex": 9,
      "sourceText": "240 g vanilla or chocolate ice cream for serving",
      "components": [
        {
          "ingredientKey": "icecream",
          "fdc_id": "167575",
          "foodDescription": "Ice creams, vanilla",
          "foodState": "Ice creams, vanilla",
          "quantity": 240,
          "unit": "g",
          "notes": [
            "The vanilla option is used where vanilla or chocolate ice cream is allowed."
          ],
          "grams": 240,
          "conversion": {
            "type": "stated-weight",
            "basis": "Canonical ingredient mass; exact avoirdupois ounce/pound conversion where needed."
          },
          "per100g": {
            "calories": 207,
            "protein": 3.5,
            "carbs": 23.6,
            "fat": 11,
            "sugar": 21.22
          },
          "contribution": {
            "calories": 496.8,
            "protein": 8.4,
            "carbs": 56.64,
            "fat": 26.4,
            "sugar": 50.92799999999999
          },
          "status": "mapped"
        }
      ]
    },
    {
      "sourceIndex": 10,
      "sourceText": "5 g unsalted butter, softened, for greasing the skillet",
      "components": [
        {
          "ingredientKey": "butter",
          "fdc_id": "173430",
          "foodDescription": "Butter, without salt",
          "foodState": "Butter, without salt",
          "quantity": 5,
          "unit": "g",
          "notes": [
            "Unspecified butter modeled as unsalted."
          ],
          "grams": 5,
          "conversion": {
            "type": "stated-weight",
            "basis": "Canonical ingredient mass; exact avoirdupois ounce/pound conversion where needed."
          },
          "per100g": {
            "calories": 717,
            "protein": 0.85,
            "carbs": 0.06,
            "fat": 81.11,
            "sugar": 0.06
          },
          "contribution": {
            "calories": 35.85,
            "protein": 0.0425,
            "carbs": 0.003,
            "fat": 4.0555,
            "sugar": 0.003
          },
          "status": "mapped"
        }
      ]
    }
  ],
  "missingNutrients": {},
  "perNutrientStatus": {
    "calories": "verified-estimate",
    "protein": "verified-estimate",
    "carbs": "verified-estimate",
    "fat": "verified-estimate",
    "sugar": "verified-estimate"
  },
  "unroundedPerServing": {
    "calories": 408.18637500000006,
    "protein": 4.711924375,
    "carbs": 52.74365937499999,
    "fat": 21.219265000000004,
    "sugar": 35.393971875
  },
  "reviewedAt": "2026-10-06",
  "inputSha256": "69c6a88c63877c74b5c821236589deccebef2338bf292037df60f9ad622cc0b0"
}