{
  "status": "verified-estimate",
  "perServing": {
    "calories": 517,
    "protein": 11.6,
    "carbs": 88.1,
    "fat": 13.2,
    "sugar": 4.4
  },
  "servings": 4,
  "servingBasis": "1/4 of the complete recipe; 24 pierogi; 4 servings of 6; finished serving weight not measured",
  "ingredientSnapshot": [
    "320 g all-purpose flour (wheat), including 20 g reserved for rolling",
    "150 g warm water",
    "60 g butter, divided",
    "450 g raw potatoes with skin, scrubbed",
    "300 g peeled onion, finely chopped, divided",
    "5 g salt, divided",
    "1 g ground black pepper",
    "10 g fresh parsley, chopped"
  ],
  "method": "Ingredient-sum estimate from retained primary USDA and AFCD evidence and explicitly identified supplements; canonical gram quantities divided by stated equal portions",
  "sources": [
    "https://fdc.nal.usda.gov/fdc-datasets/FoodData_Central_sr_legacy_food_csv_2018-04.zip",
    "https://fdc.nal.usda.gov/food-details/168894/nutrients",
    "https://fdc.nal.usda.gov/food-details/170000/nutrients",
    "https://fdc.nal.usda.gov/food-details/170026/nutrients",
    "https://fdc.nal.usda.gov/food-details/170416/nutrients",
    "https://fdc.nal.usda.gov/food-details/170931/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/174158/nutrients"
  ],
  "notes": [
    "ESTIMATED per serving. Brand, crop, preparation, draining, pan residue and substitutions change actual nutrition. Not laboratory analysis.",
    "Each ingredient retains its primary food description and state. All listed ingredient masses are counted; cooking moisture changes do not change the stated portion count. No generic nutrient-retention factor is invented.",
    "Calories are kcal; protein, total carbohydrate, fat and total sugar are grams. Total carbohydrate includes fiber and is not net carbohydrate. Fiber and sodium are not displayed.",
    "Equal portions or explicitly counted items define the stated recipe yield. US/Metric display changes do not change these canonical inputs.",
    "Primary-source supplements are retained per ingredient where USDA lacks a field; missing values are never silently changed to zero.",
    "All filling, onions and measured butter are allocated across 24 pierogi. This is an ingredient-input estimate; boiling-water losses and water uptake are not measured. Contains wheat and milk."
  ],
  "ingredients": [
    {
      "sourceIndex": 0,
      "sourceText": "320 g all-purpose flour (wheat), including 20 g reserved for rolling",
      "components": [
        {
          "ingredientKey": "flour",
          "fdc_id": "168894",
          "foodDescription": "Wheat flour, white, all-purpose, enriched, bleached",
          "foodState": "Wheat flour, white, all-purpose, enriched, bleached",
          "quantity": 320,
          "unit": "g",
          "notes": [
            "Primary profile matches the recorded food state: Wheat flour, white, all-purpose, enriched, bleached. Canonical edible grams are recorded before recipe preparation.",
            "Includes the entire 20 g rolling allowance. Unmeasured flour and starch lost to the boiling water are not deducted."
          ],
          "grams": 320,
          "conversion": {
            "type": "stated-weight",
            "basis": "Canonical edible ingredient mass in grams. No generic density or count conversion."
          },
          "per100g": {
            "calories": 364,
            "protein": 10.33,
            "carbs": 76.31,
            "fat": 0.98,
            "sugar": 0.27
          },
          "contribution": {
            "calories": 1164.8,
            "protein": 33.056,
            "carbs": 244.192,
            "fat": 3.136,
            "sugar": 0.8640000000000001
          },
          "status": "mapped",
          "sourceEvidence": {
            "file": "evidence/nutrition-usda-selected-evidence.json",
            "fdc_id": "168894",
            "dataset": "USDA FoodData Central SR Legacy, April 2018 final release",
            "nutrientRowIds": {
              "calories": "1397086",
              "protein": "1397067",
              "carbs": "1397085",
              "fat": "1397084",
              "sugar": "1397123"
            }
          },
          "retainedEvidence": {
            "sourceRecipeId": "cauliflower-batter-fritters",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    },
    {
      "sourceIndex": 1,
      "sourceText": "150 g warm water",
      "components": [
        {
          "ingredientKey": "water",
          "fdc_id": "174158",
          "foodDescription": "Water, bottled, generic",
          "foodState": "Water, bottled, generic",
          "quantity": 150,
          "unit": "g",
          "notes": [
            "Primary profile matches the recorded food state: Water, bottled, generic. Canonical edible grams are recorded before recipe preparation."
          ],
          "grams": 150,
          "conversion": {
            "type": "stated-weight",
            "basis": "Canonical edible ingredient mass in grams. No generic density or count conversion."
          },
          "per100g": {
            "calories": 0,
            "protein": 0,
            "carbs": 0,
            "fat": 0,
            "sugar": 0
          },
          "contribution": {
            "calories": 0,
            "protein": 0,
            "carbs": 0,
            "fat": 0,
            "sugar": 0
          },
          "status": "mapped",
          "sourceEvidence": {
            "file": "evidence/usda-selected-oct8-evidence.json",
            "fdc_id": "174158",
            "dataset": "USDA FoodData Central SR Legacy, April 2018 final release",
            "nutrientRowIds": {
              "calories": "1836451",
              "protein": "1836433",
              "carbs": "1836450",
              "fat": "1836449",
              "sugar": "1836455"
            }
          },
          "retainedEvidence": {
            "sourceRecipeId": "raspberry-lemon-jelly-cups",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    },
    {
      "sourceIndex": 2,
      "sourceText": "60 g butter, divided",
      "components": [
        {
          "ingredientKey": "butter",
          "fdc_id": "173430",
          "foodDescription": "Butter, without salt",
          "foodState": "Butter, without salt",
          "quantity": 60,
          "unit": "g",
          "notes": [
            "Primary profile matches the recorded food state: Butter, without salt. Canonical edible grams are recorded before recipe preparation."
          ],
          "grams": 60,
          "conversion": {
            "type": "stated-weight",
            "basis": "Canonical edible ingredient mass in grams. No generic density or count conversion."
          },
          "per100g": {
            "calories": 717,
            "protein": 0.85,
            "carbs": 0.06,
            "fat": 81.11,
            "sugar": 0.06
          },
          "contribution": {
            "calories": 430.2,
            "protein": 0.51,
            "carbs": 0.036,
            "fat": 48.666000000000004,
            "sugar": 0.036
          },
          "status": "mapped",
          "sourceEvidence": {
            "file": "evidence/usda-selected-oct8-evidence.json",
            "fdc_id": "173430",
            "dataset": "USDA FoodData Central SR Legacy, April 2018 final release",
            "nutrientRowIds": {
              "calories": "1778391",
              "protein": "1778445",
              "carbs": "1778444",
              "fat": "1778443",
              "sugar": "1778364"
            }
          },
          "retainedEvidence": {
            "sourceRecipeId": "cabbage-potato-skillet-cake",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    },
    {
      "sourceIndex": 3,
      "sourceText": "450 g raw potatoes with skin, scrubbed",
      "components": [
        {
          "ingredientKey": "potato",
          "fdc_id": "170026",
          "foodDescription": "Potatoes, flesh and skin, raw",
          "foodState": "Potatoes, flesh and skin, raw",
          "quantity": 450,
          "unit": "g",
          "notes": [
            "Primary profile matches the recorded food state: Potatoes, flesh and skin, raw. Canonical edible grams are recorded before recipe preparation.",
            "Raw skin-on edible weight; retain and finely chop all edible skins into the filling."
          ],
          "grams": 450,
          "conversion": {
            "type": "stated-weight",
            "basis": "Canonical edible ingredient mass in grams. No generic density or count conversion."
          },
          "per100g": {
            "calories": 77,
            "protein": 2.05,
            "carbs": 17.49,
            "fat": 0.09,
            "sugar": 0.82
          },
          "contribution": {
            "calories": 346.5,
            "protein": 9.225,
            "carbs": 78.70499999999998,
            "fat": 0.405,
            "sugar": 3.69
          },
          "status": "mapped",
          "sourceEvidence": {
            "file": "evidence/nutrition-usda-selected-evidence.json",
            "fdc_id": "170026",
            "dataset": "USDA FoodData Central SR Legacy, April 2018 final release",
            "nutrientRowIds": {
              "calories": "1488814",
              "protein": "1488836",
              "carbs": "1488857",
              "fat": "1488784",
              "sugar": "1488866"
            }
          },
          "retainedEvidence": {
            "sourceRecipeId": "cabbage-potato-skillet-cake",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    },
    {
      "sourceIndex": 4,
      "sourceText": "300 g peeled onion, finely chopped, divided",
      "components": [
        {
          "ingredientKey": "onion",
          "fdc_id": "170000",
          "foodDescription": "Onions, raw",
          "foodState": "Onions, raw",
          "quantity": 300,
          "unit": "g",
          "notes": [
            "Primary profile matches the recorded food state: Onions, raw. Canonical edible grams are recorded before recipe preparation."
          ],
          "grams": 300,
          "conversion": {
            "type": "stated-weight",
            "basis": "Canonical edible ingredient mass in grams. No generic density or count conversion."
          },
          "per100g": {
            "calories": 40,
            "protein": 1.1,
            "carbs": 9.34,
            "fat": 0.1,
            "sugar": 4.24
          },
          "contribution": {
            "calories": 120,
            "protein": 3.3,
            "carbs": 28.02,
            "fat": 0.3,
            "sugar": 12.72
          },
          "status": "mapped",
          "sourceEvidence": {
            "file": "evidence/usda-selected-oct8-evidence.json",
            "fdc_id": "170000",
            "dataset": "USDA FoodData Central SR Legacy, April 2018 final release",
            "nutrientRowIds": {
              "calories": "1486615",
              "protein": "1486656",
              "carbs": "1486614",
              "fat": "1486613",
              "sugar": "1486606"
            }
          },
          "retainedEvidence": {
            "sourceRecipeId": "pepper-tomato-tofu-scramble",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    },
    {
      "sourceIndex": 5,
      "sourceText": "5 g salt, divided",
      "components": [
        {
          "ingredientKey": "salt",
          "fdc_id": "173468",
          "foodDescription": "Salt, table",
          "foodState": "Salt, table",
          "quantity": 5,
          "unit": "g",
          "notes": [
            "Primary profile matches the recorded food state: Salt, table. Canonical edible grams are recorded before recipe preparation."
          ],
          "grams": 5,
          "conversion": {
            "type": "stated-weight",
            "basis": "Canonical edible ingredient mass in grams. No generic density or count conversion."
          },
          "per100g": {
            "calories": 0,
            "protein": 0,
            "carbs": 0,
            "fat": 0,
            "sugar": 0
          },
          "contribution": {
            "calories": 0,
            "protein": 0,
            "carbs": 0,
            "fat": 0,
            "sugar": 0
          },
          "status": "mapped",
          "sourceEvidence": {
            "file": "evidence/usda-selected-oct8-evidence.json",
            "fdc_id": "173468",
            "dataset": "USDA FoodData Central SR Legacy, April 2018 final release",
            "nutrientRowIds": {
              "calories": "1781412",
              "protein": "1781407",
              "carbs": "1781411",
              "fat": "1781410",
              "sugar": "1781458"
            }
          },
          "retainedEvidence": {
            "sourceRecipeId": "pepper-tomato-tofu-scramble",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    },
    {
      "sourceIndex": 6,
      "sourceText": "1 g ground black pepper",
      "components": [
        {
          "ingredientKey": "black_pepper",
          "fdc_id": "170931",
          "foodDescription": "Spices, pepper, black",
          "foodState": "Spices, pepper, black",
          "quantity": 1,
          "unit": "g",
          "notes": [
            "Primary profile matches the recorded food state: Spices, pepper, black. Canonical edible grams are recorded before recipe preparation."
          ],
          "grams": 1,
          "conversion": {
            "type": "stated-weight",
            "basis": "Canonical edible ingredient mass in grams. No generic density or count conversion."
          },
          "per100g": {
            "calories": 251,
            "protein": 10.39,
            "carbs": 63.95,
            "fat": 3.26,
            "sugar": 0.64
          },
          "contribution": {
            "calories": 2.51,
            "protein": 0.1039,
            "carbs": 0.6395000000000001,
            "fat": 0.0326,
            "sugar": 0.0064
          },
          "status": "mapped",
          "sourceEvidence": {
            "file": "evidence/usda-selected-oct8-evidence.json",
            "fdc_id": "170931",
            "dataset": "USDA FoodData Central SR Legacy, April 2018 final release",
            "nutrientRowIds": {
              "calories": "1566555",
              "protein": "1566602",
              "carbs": "1566554",
              "fat": "1566540",
              "sugar": "1566544"
            }
          },
          "retainedEvidence": {
            "sourceRecipeId": "pepper-tomato-tofu-scramble",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    },
    {
      "sourceIndex": 7,
      "sourceText": "10 g fresh parsley, chopped",
      "components": [
        {
          "ingredientKey": "parsley",
          "fdc_id": "170416",
          "foodDescription": "Parsley, fresh",
          "foodState": "Parsley, fresh",
          "quantity": 10,
          "unit": "g",
          "notes": [
            "Primary profile matches the recorded food state: Parsley, fresh. Canonical edible grams are recorded before recipe preparation."
          ],
          "grams": 10,
          "conversion": {
            "type": "stated-weight",
            "basis": "Canonical edible ingredient mass in grams. No generic density or count conversion."
          },
          "per100g": {
            "calories": 36,
            "protein": 2.97,
            "carbs": 6.33,
            "fat": 0.79,
            "sugar": 0.85
          },
          "contribution": {
            "calories": 3.6,
            "protein": 0.29700000000000004,
            "carbs": 0.633,
            "fat": 0.079,
            "sugar": 0.085
          },
          "status": "mapped",
          "sourceEvidence": {
            "file": "evidence/usda-selected-oct8-evidence.json",
            "fdc_id": "170416",
            "dataset": "USDA FoodData Central SR Legacy, April 2018 final release",
            "nutrientRowIds": {
              "calories": "1521984",
              "protein": "1522025",
              "carbs": "1521981",
              "fat": "1522005",
              "sugar": "1522058"
            }
          },
          "retainedEvidence": {
            "sourceRecipeId": "cabbage-potato-skillet-cake",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    }
  ],
  "totals": {
    "calories": 2067.61,
    "protein": 46.491899999999994,
    "carbs": 352.22549999999995,
    "fat": 52.61860000000001,
    "sugar": 17.401400000000002
  },
  "missingNutrients": [],
  "reviewedAt": "2026-11-01"
}