{
  "status": "verified-estimate",
  "perServing": {
    "calories": 144,
    "protein": 3.7,
    "carbs": 27.3,
    "fat": 2,
    "sugar": 1.5
  },
  "servings": 12,
  "servingBasis": "1/12 of the complete recipe; 12 buns; 1 bun per serving; finished serving weight not measured",
  "ingredientSnapshot": [
    "400 g all-purpose flour",
    "220 g lukewarm water",
    "6 g active dry yeast",
    "15 g granulated sugar suitable for vegans",
    "4 g fine salt",
    "20 g neutral oil",
    "60 g trimmed scallions, finely sliced and patted dry"
  ],
  "method": "Ingredient-sum estimate from retained primary USDA evidence and explicitly identified sugar 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/169655/nutrients",
    "https://fdc.nal.usda.gov/food-details/170005/nutrients",
    "https://fdc.nal.usda.gov/food-details/172336/nutrients",
    "https://fdc.nal.usda.gov/food-details/173468/nutrients",
    "https://fdc.nal.usda.gov/food-details/174158/nutrients",
    "https://fdc.nal.usda.gov/food-details/175043/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.",
    "One serving is one of twelve equal dough pieces with evenly distributed filling; proofing and steaming do not alter the per-serving ingredient calculation.",
    "Contains wheat. Vegan and dairy-free labels require suitable flour, yeast, sugar and oil; these classifications do not address cross-contact."
  ],
  "ingredients": [
    {
      "sourceIndex": 0,
      "sourceText": "400 g 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": 400,
          "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.",
            "Canonical flour mass includes all dough flour. Roll on a silicone mat or between parchment rather than adding unmeasured dusting flour."
          ],
          "grams": 400,
          "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": 1456,
            "protein": 41.32,
            "carbs": 305.24,
            "fat": 3.92,
            "sugar": 1.08
          },
          "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": "blueberry-lemon-dutch-baby",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    },
    {
      "sourceIndex": 1,
      "sourceText": "220 g lukewarm water",
      "components": [
        {
          "ingredientKey": "water",
          "fdc_id": "174158",
          "foodDescription": "Water, bottled, generic",
          "foodState": "Water, bottled, generic",
          "quantity": 220,
          "unit": "g",
          "notes": [
            "Primary profile matches the recorded food state: Water, bottled, generic. Canonical edible grams are recorded before recipe preparation.",
            "220 g water is incorporated into dough; separate water in the steamer is not a consumed ingredient."
          ],
          "grams": 220,
          "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": "strawberry-lemon-granita",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    },
    {
      "sourceIndex": 2,
      "sourceText": "6 g active dry yeast",
      "components": [
        {
          "ingredientKey": "yeast",
          "fdc_id": "175043",
          "foodDescription": "Leavening agents, yeast, baker's, active dry",
          "foodState": "Leavening agents, yeast, baker's, active dry",
          "quantity": 6,
          "unit": "g",
          "notes": [
            "Primary profile matches the recorded food state: Leavening agents, yeast, baker's, active dry. Canonical edible grams are recorded before recipe preparation."
          ],
          "grams": 6,
          "conversion": {
            "type": "stated-weight",
            "basis": "Canonical edible ingredient mass in grams. No generic density or count conversion."
          },
          "per100g": {
            "calories": 325,
            "protein": 40.44,
            "carbs": 41.22,
            "fat": 7.61,
            "sugar": 0
          },
          "contribution": {
            "calories": 19.5,
            "protein": 2.4263999999999997,
            "carbs": 2.4732,
            "fat": 0.45660000000000006,
            "sugar": 0
          },
          "status": "mapped",
          "retainedEvidence": {
            "sourceRecipeId": "whole-wheat-english-muffins",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    },
    {
      "sourceIndex": 3,
      "sourceText": "15 g granulated sugar suitable for vegans",
      "components": [
        {
          "ingredientKey": "sugar",
          "fdc_id": "169655",
          "foodDescription": "Sugars, granulated",
          "foodState": "Sugars, granulated",
          "quantity": 15,
          "unit": "g",
          "notes": [
            "Primary profile matches the recorded food state: Sugars, granulated. Canonical edible grams are recorded before recipe preparation."
          ],
          "grams": 15,
          "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": 58.05,
            "protein": 0,
            "carbs": 14.997,
            "fat": 0,
            "sugar": 14.97
          },
          "status": "mapped",
          "retainedEvidence": {
            "sourceRecipeId": "strawberry-lemon-granita",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    },
    {
      "sourceIndex": 4,
      "sourceText": "4 g fine salt",
      "components": [
        {
          "ingredientKey": "salt",
          "fdc_id": "173468",
          "foodDescription": "Salt, table",
          "foodState": "Salt, table",
          "quantity": 4,
          "unit": "g",
          "notes": [
            "Primary profile matches the recorded food state: Salt, table. Canonical edible grams are recorded before recipe preparation."
          ],
          "grams": 4,
          "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": "blueberry-lemon-dutch-baby",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    },
    {
      "sourceIndex": 5,
      "sourceText": "20 g neutral oil",
      "components": [
        {
          "ingredientKey": "neutral_oil",
          "fdc_id": "172336",
          "foodDescription": "Oil, canola",
          "foodState": "Oil, canola",
          "quantity": 20,
          "unit": "g",
          "notes": [
            "Primary profile matches the recorded food state: Oil, canola. Canonical edible grams are recorded before recipe preparation."
          ],
          "grams": 20,
          "conversion": {
            "type": "stated-weight",
            "basis": "Canonical edible ingredient mass in grams. No generic density or count conversion."
          },
          "per100g": {
            "calories": 884,
            "protein": 0,
            "carbs": 0,
            "fat": 100,
            "sugar": 0
          },
          "contribution": {
            "calories": 176.8,
            "protein": 0,
            "carbs": 0,
            "fat": 20,
            "sugar": 0
          },
          "status": "mapped",
          "retainedEvidence": {
            "sourceRecipeId": "banana-cocoa-steamed-puddings",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    },
    {
      "sourceIndex": 6,
      "sourceText": "60 g trimmed scallions, finely sliced and patted dry",
      "components": [
        {
          "ingredientKey": "scallion",
          "fdc_id": "170005",
          "foodDescription": "Onions, spring or scallions (includes tops and bulb), raw",
          "foodState": "Onions, spring or scallions (includes tops and bulb), raw",
          "quantity": 60,
          "unit": "g",
          "notes": [
            "Primary profile matches the recorded food state: Onions, spring or scallions (includes tops and bulb), raw. Canonical edible grams are recorded before recipe preparation.",
            "Raw trimmed edible scallions are weighed before filling; all are retained."
          ],
          "grams": 60,
          "conversion": {
            "type": "stated-weight",
            "basis": "Canonical edible ingredient mass in grams. No generic density or count conversion."
          },
          "per100g": {
            "calories": 32,
            "protein": 1.83,
            "carbs": 7.34,
            "fat": 0.19,
            "sugar": 2.33
          },
          "contribution": {
            "calories": 19.2,
            "protein": 1.098,
            "carbs": 4.404,
            "fat": 0.114,
            "sugar": 1.3980000000000001
          },
          "status": "mapped",
          "sourceEvidence": {
            "file": "evidence/usda-selected-oct8-evidence.json",
            "fdc_id": "170005",
            "dataset": "USDA FoodData Central SR Legacy, April 2018 final release",
            "nutrientRowIds": {
              "calories": "1487084",
              "protein": "1487114",
              "carbs": "1487141",
              "fat": "1487091",
              "sugar": "1487060"
            }
          },
          "retainedEvidence": {
            "sourceRecipeId": "chicken-cabbage-steamed-dumplings",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    }
  ],
  "totals": {
    "calories": 1729.55,
    "protein": 44.8444,
    "carbs": 327.11420000000004,
    "fat": 24.4906,
    "sugar": 17.448
  },
  "missingNutrients": [],
  "reviewedAt": "2026-10-19"
}