{
  "status": "verified-estimate",
  "perServing": {
    "calories": 206,
    "protein": 6.7,
    "carbs": 39,
    "fat": 2.3,
    "sugar": 0.2
  },
  "servings": 6,
  "servingBasis": "1/6 of the complete recipe; 6 rolls; 1 per serving; finished serving weight not measured",
  "ingredientSnapshot": [
    "320 g bread flour, divided: 300 g dough and 20 g shaping/dusting",
    "240 g water at 100-110 F / 38-43 C",
    "4 g active dry yeast",
    "6 g fine salt",
    "8 g olive oil, divided: 5 g dough and 3 g bowl/handling"
  ],
  "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/168896/nutrients",
    "https://fdc.nal.usda.gov/food-details/171413/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.",
    "Six equal rolls; no measured baked mass. All flour, water, yeast, salt and oil included; no starter or fermentation-retention adjustment.",
    "Contains wheat; naturally dairy-free and vegan ingredients, subject to label/cross-contact checks."
  ],
  "ingredients": [
    {
      "sourceIndex": 0,
      "sourceText": "320 g bread flour, divided: 300 g dough and 20 g shaping/dusting",
      "components": [
        {
          "ingredientKey": "bread_flour",
          "fdc_id": "168896",
          "foodDescription": "Wheat flour, white, bread, enriched",
          "foodState": "Wheat flour, white, bread, enriched",
          "quantity": 320,
          "unit": "g",
          "notes": [
            "Primary profile matches the recorded food state: Wheat flour, white, bread, enriched. Canonical edible grams are recorded before recipe preparation.",
            "300 g dough flour with 240 g water gives 80% dough hydration before the 20 g handling flour. All 320 g counted and retained on rolls."
          ],
          "grams": 320,
          "conversion": {
            "type": "stated-weight",
            "basis": "Canonical edible ingredient mass in grams. No generic density or count conversion."
          },
          "per100g": {
            "calories": 361,
            "protein": 11.98,
            "carbs": 72.53,
            "fat": 1.66,
            "sugar": 0.31
          },
          "contribution": {
            "calories": 1155.2,
            "protein": 38.336000000000006,
            "carbs": 232.09599999999998,
            "fat": 5.311999999999999,
            "sugar": 0.992
          },
          "status": "mapped",
          "retainedEvidence": {
            "sourceRecipeId": "tangzhong-milk-bread-loaf",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    },
    {
      "sourceIndex": 1,
      "sourceText": "240 g water at 100-110 F / 38-43 C",
      "components": [
        {
          "ingredientKey": "water",
          "fdc_id": "174158",
          "foodDescription": "Water, bottled, generic",
          "foodState": "Water, bottled, generic",
          "quantity": 240,
          "unit": "g",
          "notes": [
            "Primary profile matches the recorded food state: Water, bottled, generic. Canonical edible grams are recorded before recipe preparation."
          ],
          "grams": 240,
          "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": 2,
      "sourceText": "4 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": 4,
          "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": 4,
          "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": 13,
            "protein": 1.6176,
            "carbs": 1.6488,
            "fat": 0.3044,
            "sugar": 0
          },
          "status": "mapped",
          "retainedEvidence": {
            "sourceRecipeId": "tangzhong-milk-bread-loaf",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    },
    {
      "sourceIndex": 3,
      "sourceText": "6 g fine salt",
      "components": [
        {
          "ingredientKey": "salt",
          "fdc_id": "173468",
          "foodDescription": "Salt, table",
          "foodState": "Salt, table",
          "quantity": 6,
          "unit": "g",
          "notes": [
            "Primary profile matches the recorded food state: Salt, table. 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": 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"
          }
        }
      ]
    },
    {
      "sourceIndex": 4,
      "sourceText": "8 g olive oil, divided: 5 g dough and 3 g bowl/handling",
      "components": [
        {
          "ingredientKey": "olive_oil",
          "fdc_id": "171413",
          "foodDescription": "Oil, olive, salad or cooking",
          "foodState": "Oil, olive, salad or cooking",
          "quantity": 8,
          "unit": "g",
          "notes": [
            "Primary profile matches the recorded food state: Oil, olive, salad or cooking. Canonical edible grams are recorded before recipe preparation.",
            "All 8 g counted, including 3 g bowl/handling oil; traces left on equipment may reduce actual intake."
          ],
          "grams": 8,
          "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": 70.72,
            "protein": 0,
            "carbs": 0,
            "fat": 8,
            "sugar": 0
          },
          "status": "mapped",
          "sourceEvidence": {
            "file": "evidence/usda-selected-oct8-evidence.json",
            "fdc_id": "171413",
            "dataset": "USDA FoodData Central SR Legacy, April 2018 final release",
            "nutrientRowIds": {
              "calories": "1607768",
              "protein": "1607794",
              "carbs": "1607767",
              "fat": "1607766",
              "sugar": "1607853"
            }
          },
          "retainedEvidence": {
            "sourceRecipeId": "hand-pressed-ricotta-cavatelli",
            "sourceDataset": "data/nutrition.json reconstructed from integrity-verified parts",
            "primaryFile": "data/evidence/nutrition-usda-selected-evidence.json"
          }
        }
      ]
    }
  ],
  "totals": {
    "calories": 1238.92,
    "protein": 39.95360000000001,
    "carbs": 233.74479999999997,
    "fat": 13.616399999999999,
    "sugar": 0.992
  },
  "missingNutrients": [],
  "reviewedAt": "2026-10-29"
}