{
  "status": "verified-estimate",
  "perServing": {
    "calories": 201,
    "protein": 7.3,
    "carbs": 28.5,
    "fat": 6.4,
    "sugar": 28.6
  },
  "servings": 6,
  "servingBasis": "1/6 of the complete recipe; 6 individual custards, each with one sixth of the caramel; finished serving weight not measured",
  "ingredientSnapshot": [
    "600 g whole milk",
    "200 g whole egg without shell",
    "140 g granulated sugar, divided: 80 g caramel and 60 g custard",
    "30 g water for caramel, plus hot water for the baking bath",
    "5 g vanilla extract",
    "1 g salt"
  ],
  "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/169655/nutrients",
    "https://fdc.nal.usda.gov/food-details/171287/nutrients",
    "https://fdc.nal.usda.gov/food-details/172217/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/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.",
    "Divide full custard and caramel input by six. Contains egg and milk. Gluten-free depends on suitable vanilla and other packaged labels and personal cross-contact requirements. Caramel recovery and evaporation are not measured; estimate counts all sugar."
  ],
  "ingredients": [
    {
      "sourceIndex": 0,
      "sourceText": "600 g whole milk",
      "components": [
        {
          "ingredientKey": "milk",
          "fdc_id": "172217",
          "foodDescription": "Milk, whole, 3.25% milkfat, without added vitamin A and vitamin D",
          "foodState": "Milk, whole, 3.25% milkfat, without added vitamin A and vitamin D",
          "quantity": 600,
          "unit": "g",
          "notes": [
            "Primary profile matches the recorded food state: Milk, whole, 3.25% milkfat, without added vitamin A and vitamin D. Canonical edible grams are recorded before recipe preparation.",
            "Whole milk 3.25% fat profile; no evaporated milk, condensed milk or cream substituted."
          ],
          "grams": 600,
          "conversion": {
            "type": "stated-weight",
            "basis": "Canonical edible ingredient mass in grams. No generic density or count conversion."
          },
          "per100g": {
            "calories": 61,
            "protein": 3.15,
            "carbs": 4.78,
            "fat": 3.27,
            "sugar": 5.05
          },
          "contribution": {
            "calories": 366,
            "protein": 18.9,
            "carbs": 28.68,
            "fat": 19.62,
            "sugar": 30.3
          },
          "status": "mapped",
          "sourceEvidence": {
            "file": "evidence/nutrition-usda-selected-evidence.json",
            "fdc_id": "172217",
            "dataset": "USDA FoodData Central SR Legacy, April 2018 final release",
            "nutrientRowIds": {
              "calories": "1677542",
              "protein": "1677625",
              "carbs": "1677518",
              "fat": "1677587",
              "sugar": "1677541"
            }
          },
          "retainedEvidence": {
            "sourceRecipeId": "cocoa-vanilla-marble-cake",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    },
    {
      "sourceIndex": 1,
      "sourceText": "200 g whole egg without shell",
      "components": [
        {
          "ingredientKey": "egg",
          "fdc_id": "171287",
          "foodDescription": "Egg, whole, raw, fresh",
          "foodState": "Egg, whole, raw, fresh",
          "quantity": 200,
          "unit": "g",
          "notes": [
            "Primary profile matches the recorded food state: Egg, whole, raw, fresh. Canonical edible grams are recorded before recipe preparation.",
            "Whole raw egg edible weight, no separated or discarded whites."
          ],
          "grams": 200,
          "conversion": {
            "type": "stated-weight",
            "basis": "Canonical edible ingredient mass in grams. No generic density or count conversion."
          },
          "per100g": {
            "calories": 143,
            "protein": 12.56,
            "carbs": 0.72,
            "fat": 9.51,
            "sugar": 0.37
          },
          "contribution": {
            "calories": 286,
            "protein": 25.12,
            "carbs": 1.44,
            "fat": 19.02,
            "sugar": 0.74
          },
          "status": "mapped",
          "sourceEvidence": {
            "file": "evidence/usda-selected-oct8-evidence.json",
            "fdc_id": "171287",
            "dataset": "USDA FoodData Central SR Legacy, April 2018 final release",
            "nutrientRowIds": {
              "calories": "1597626",
              "protein": "1597683",
              "carbs": "1597748",
              "fat": "1597714",
              "sugar": "1597710"
            }
          },
          "retainedEvidence": {
            "sourceRecipeId": "cocoa-vanilla-marble-cake",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    },
    {
      "sourceIndex": 2,
      "sourceText": "140 g granulated sugar, divided: 80 g caramel and 60 g custard",
      "components": [
        {
          "ingredientKey": "sugar",
          "fdc_id": "169655",
          "foodDescription": "Sugars, granulated",
          "foodState": "Sugars, granulated",
          "quantity": 140,
          "unit": "g",
          "notes": [
            "Primary profile matches the recorded food state: Sugars, granulated. Canonical edible grams are recorded before recipe preparation.",
            "All 140 g counted, including caramel; no guessed reduction for saucepan residue or syrup left on plates."
          ],
          "grams": 140,
          "conversion": {
            "type": "stated-weight",
            "basis": "Canonical edible ingredient mass in grams. No generic density or count conversion."
          },
          "per100g": {
            "calories": 387,
            "protein": 0,
            "carbs": 99.98,
            "fat": 0,
            "sugar": 99.8
          },
          "contribution": {
            "calories": 541.8,
            "protein": 0,
            "carbs": 139.972,
            "fat": 0,
            "sugar": 139.72
          },
          "status": "mapped",
          "retainedEvidence": {
            "sourceRecipeId": "cocoa-vanilla-marble-cake",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    },
    {
      "sourceIndex": 3,
      "sourceText": "30 g water for caramel, plus hot water for the baking bath",
      "components": [
        {
          "ingredientKey": "water",
          "fdc_id": "174158",
          "foodDescription": "Water, bottled, generic",
          "foodState": "Water, bottled, generic",
          "quantity": 30,
          "unit": "g",
          "notes": [
            "Primary profile matches the recorded food state: Water, bottled, generic. Canonical edible grams are recorded before recipe preparation."
          ],
          "grams": 30,
          "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": "cocoa-vanilla-marble-cake",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    },
    {
      "sourceIndex": 4,
      "sourceText": "5 g vanilla extract",
      "components": [
        {
          "ingredientKey": "vanilla",
          "fdc_id": "173471",
          "foodDescription": "Vanilla extract",
          "foodState": "Vanilla extract",
          "quantity": 5,
          "unit": "g",
          "notes": [
            "Primary profile matches the recorded food state: Vanilla extract. 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": 288,
            "protein": 0.06,
            "carbs": 12.65,
            "fat": 0.06,
            "sugar": 12.65
          },
          "contribution": {
            "calories": 14.4,
            "protein": 0.003,
            "carbs": 0.6325,
            "fat": 0.003,
            "sugar": 0.6325
          },
          "status": "mapped",
          "retainedEvidence": {
            "sourceRecipeId": "cocoa-vanilla-marble-cake",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    },
    {
      "sourceIndex": 5,
      "sourceText": "1 g salt",
      "components": [
        {
          "ingredientKey": "salt",
          "fdc_id": "173468",
          "foodDescription": "Salt, table",
          "foodState": "Salt, table",
          "quantity": 1,
          "unit": "g",
          "notes": [
            "Primary profile matches the recorded food state: Salt, table. 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": 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": "cocoa-vanilla-marble-cake",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    }
  ],
  "totals": {
    "calories": 1208.2,
    "protein": 44.022999999999996,
    "carbs": 170.7245,
    "fat": 38.643,
    "sugar": 171.39249999999998
  },
  "missingNutrients": [],
  "reviewedAt": "2026-10-29"
}
