{
  "status": "verified-estimate",
  "perServing": {
    "calories": 191,
    "protein": 8.7,
    "carbs": 21.5,
    "fat": 7.7,
    "sugar": 21.6
  },
  "servings": 4,
  "servingBasis": "1/4 of the complete recipe; 4 custard cups; 1 per portion; finished serving weight not measured",
  "ingredientSnapshot": [
    "500 g whole milk",
    "150 g beaten egg without shell, about 3 large eggs",
    "60 g granulated sugar",
    "4 g finely grated lemon zest, colored outer layer only",
    "3 g vanilla extract"
  ],
  "method": "Ingredient-sum estimate from retained primary USDA evidence and explicitly identified sugar supplements; canonical gram quantities divided by stated equal portions",
  "sources": [
    "https://assets.publishing.service.gov.uk/media/60538b91e90e07527df82ae4/McCance_Widdowsons_Composition_of_Foods_Integrated_Dataset_2021..xlsx",
    "https://fdc.nal.usda.gov/fdc-datasets/FoodData_Central_sr_legacy_food_csv_2018-04.zip",
    "https://fdc.nal.usda.gov/food-details/167749/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/172217/nutrients",
    "https://fdc.nal.usda.gov/food-details/173471/nutrients",
    "https://www.bulkbarn.ca/en/Products/All/Cumin-Seed-Ground-981",
    "https://www.caterite.co.uk/ponthier-frozen-granulated-lime-zest/",
    "https://www.foodstandards.gov.au/sites/default/files/2025-12/AFCD%20Release%203%20-%20Nutrient%20profiles.xlsx",
    "https://www.marksandspencer.com/food/pea-shoots/p/fdp60479982",
    "https://www.matvaretabellen.no/en/orange-peel-raw/",
    "https://www.matvaretabellen.no/en/rosemary-raw/",
    "https://www.ponthier.fr/en/our-products/lime-zests/"
  ],
  "notes": [
    "ESTIMATED per serving. Brand, crop, preparation, draining, pan residue and substitutions change actual nutrition. Not laboratory analysis.",
    "Raw or dry food profiles match pre-cooking edible masses. All listed oil and retained cooking liquid 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 define yield; counted biscuits, eggplant rolls, loaf slices and custard cups are explicitly divided. 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.",
    "Primary-data limitation: USDA whole-milk record 172217 reports 5.05 g total sugars and 4.78 g total carbohydrate per 100 g. The independent published fields are retained without silently altering either; this produces a small cross-field discrepancy in this milk-rich custard estimate."
  ],
  "ingredients": [
    {
      "sourceIndex": 0,
      "sourceText": "500 g whole milk",
      "components": [
        {
          "ingredientKey": "whole_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": 500,
          "unit": "g",
          "notes": [],
          "grams": 500,
          "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": 305,
            "protein": 15.75,
            "carbs": 23.9,
            "fat": 16.35,
            "sugar": 25.25
          },
          "status": "mapped",
          "sourceEvidence": {
            "file": "evidence/usda-selected-oct8-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": "savory-zucchini-corn-pancakes",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    },
    {
      "sourceIndex": 1,
      "sourceText": "150 g beaten egg without shell, about 3 large eggs",
      "components": [
        {
          "ingredientKey": "egg",
          "fdc_id": "171287",
          "foodDescription": "Egg, whole, raw, fresh",
          "foodState": "Egg, whole, raw, fresh",
          "quantity": 150,
          "unit": "g",
          "notes": [
            "Raw whole egg weighed without shell; no count-to-weight assumption."
          ],
          "grams": 150,
          "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": 214.5,
            "protein": 18.84,
            "carbs": 1.08,
            "fat": 14.265,
            "sugar": 0.555
          },
          "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": "savory-zucchini-corn-pancakes",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    },
    {
      "sourceIndex": 2,
      "sourceText": "60 g granulated sugar",
      "components": [
        {
          "ingredientKey": "sugar",
          "fdc_id": "169655",
          "foodDescription": "Sugars, granulated",
          "foodState": "Sugars, granulated",
          "quantity": 60,
          "unit": "g",
          "notes": [],
          "grams": 60,
          "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": 232.2,
            "protein": 0,
            "carbs": 59.988,
            "fat": 0,
            "sugar": 59.88
          },
          "status": "mapped",
          "retainedEvidence": {
            "sourceRecipeId": "whole-wheat-dinner-rolls",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    },
    {
      "sourceIndex": 3,
      "sourceText": "4 g finely grated lemon zest, colored outer layer only",
      "components": [
        {
          "ingredientKey": "lemon_zest",
          "fdc_id": "167749",
          "foodDescription": "Lemon peel, raw",
          "foodState": "Lemon peel, raw",
          "quantity": 4,
          "unit": "g",
          "notes": [
            "All 4 g zest counted conservatively although strained from custard; exact extraction and removal are not measured."
          ],
          "grams": 4,
          "conversion": {
            "type": "stated-weight",
            "basis": "Canonical edible ingredient mass in grams. No generic density or count conversion."
          },
          "per100g": {
            "calories": 47,
            "protein": 1.5,
            "carbs": 16,
            "fat": 0.3,
            "sugar": 4.17
          },
          "contribution": {
            "calories": 1.88,
            "protein": 0.06,
            "carbs": 0.64,
            "fat": 0.012,
            "sugar": 0.1668
          },
          "status": "mapped",
          "sourceEvidence": {
            "file": "evidence/usda-selected-oct8-evidence.json",
            "fdc_id": "167749",
            "dataset": "USDA FoodData Central SR Legacy, April 2018 final release",
            "nutrientRowIds": {
              "calories": "1302270",
              "protein": "1302289",
              "carbs": "1302305",
              "fat": "1302304",
              "sugar": "1302253"
            }
          },
          "retainedEvidence": {
            "sourceRecipeId": "lemon-dill-rice-peas",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    },
    {
      "sourceIndex": 4,
      "sourceText": "3 g vanilla extract",
      "components": [
        {
          "ingredientKey": "vanilla",
          "fdc_id": "173471",
          "foodDescription": "Vanilla extract",
          "foodState": "Vanilla extract",
          "quantity": 3,
          "unit": "g",
          "notes": [],
          "grams": 3,
          "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": 8.64,
            "protein": 0.0018,
            "carbs": 0.3795,
            "fat": 0.0018,
            "sugar": 0.3795
          },
          "status": "mapped",
          "retainedEvidence": {
            "sourceRecipeId": "dark-chocolate-orange-pots",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    }
  ],
  "totals": {
    "calories": 762.22,
    "protein": 34.65180000000001,
    "carbs": 85.98749999999998,
    "fat": 30.628800000000002,
    "sugar": 86.23129999999999
  },
  "missingNutrients": [],
  "reviewedAt": "2026-10-12"
}