{
  "dataset_name": "SwapMyCraving Pizza Nutrition Reference",
  "dataset_version": "0.2.0",
  "date_modified": "2026-08-25",
  "status": "mixed_evidence_provisional_and_calculation_backed",
  "publisher": "SwapMyCraving",
  "methodology_url": "https://swapmycraving.com/pizza-nutrition-methodology/",
  "scope_note": "Planning estimates with different serving units. This is not a controlled like-for-like nutrition study.",
  "source_priority": [
    "Current manufacturer or restaurant Nutrition Facts for the exact product and serving",
    "A versioned ingredient calculation using USDA FoodData Central for a defined homemade recipe",
    "A clearly labeled provisional reference estimate"
  ],
  "calculation_rule": "ingredient_nutrient = ingredient_weight_g / 100 * source_nutrient_per_100g; recipe totals are summed, divided by declared yield, then rounded only for display",
  "reference_options": [
    {
      "id": "cauliflower",
      "option": "Cauliflower crust pizza",
      "reference_unit": "labeled slice",
      "calories_kcal": 220,
      "protein_g": 14,
      "total_carbohydrate_g": 6,
      "fat_g": 16,
      "evidence_status": "provisional_legacy_estimate",
      "recipe_version": null,
      "ingredient_sources": [],
      "photo_evidence_url": null,
      "comparable_basis": false
    },
    {
      "id": "portobello",
      "option": "Portobello pizza boat",
      "reference_unit": "one filled large cap",
      "calories_kcal": 150,
      "protein_g": 10,
      "total_carbohydrate_g": 8,
      "fat_g": 8,
      "evidence_status": "provisional_legacy_estimate",
      "recipe_version": null,
      "ingredient_sources": [],
      "photo_evidence_url": null,
      "comparable_basis": false
    },
    {
      "id": "chicken",
      "option": "Chicken crust pizza",
      "reference_unit": "labeled slice",
      "calories_kcal": 200,
      "protein_g": 22,
      "total_carbohydrate_g": 2,
      "fat_g": 11,
      "evidence_status": "provisional_legacy_estimate",
      "recipe_version": null,
      "ingredient_sources": [],
      "photo_evidence_url": null,
      "comparable_basis": false
    },
    {
      "id": "tortilla",
      "option": "Whole-wheat tortilla pizza",
      "reference_unit": "one personal tortilla pizza",
      "calories_kcal": 180,
      "protein_g": 12,
      "total_carbohydrate_g": 18,
      "fat_g": 8,
      "evidence_status": "provisional_legacy_estimate",
      "recipe_version": null,
      "ingredient_sources": [],
      "photo_evidence_url": null,
      "comparable_basis": false
    },
    {
      "id": "fathead",
      "option": "Fathead keto crust",
      "reference_unit": "labeled slice",
      "calories_kcal": 280,
      "protein_g": 14,
      "total_carbohydrate_g": 5,
      "fat_g": 22,
      "evidence_status": "provisional_legacy_estimate",
      "recipe_version": null,
      "ingredient_sources": [],
      "photo_evidence_url": null,
      "comparable_basis": false
    },
    {
      "id": "egg-white",
      "option": "Egg-white pizza crust",
      "reference_unit": "labeled slice",
      "calories_kcal": 140,
      "protein_g": 18,
      "total_carbohydrate_g": 4,
      "fat_g": 4,
      "evidence_status": "provisional_legacy_estimate",
      "recipe_version": null,
      "ingredient_sources": [],
      "photo_evidence_url": null,
      "comparable_basis": false
    },
    {
      "id": "bell-pepper",
      "option": "Bell-pepper pizza boat",
      "reference_unit": "one filled half pepper",
      "calories_kcal": 150,
      "protein_g": 10,
      "total_carbohydrate_g": 7,
      "fat_g": 8,
      "evidence_status": "provisional_legacy_estimate",
      "recipe_version": null,
      "ingredient_sources": [],
      "photo_evidence_url": null,
      "comparable_basis": false
    },
    {
      "id": "lavash",
      "option": "Lavash flatbread pizza",
      "reference_unit": "one personal lavash pizza",
      "calories_kcal": 200,
      "protein_g": 12,
      "total_carbohydrate_g": 22,
      "fat_g": 6,
      "evidence_status": "provisional_legacy_estimate",
      "recipe_version": null,
      "ingredient_sources": [],
      "photo_evidence_url": null,
      "comparable_basis": false
    }
  ],
  "calculated_recipes": [
    {
      "id": "egg-white-personal-pizza-v0.1-calculated",
      "name": "Egg-white personal pizza",
      "recipe_version": "0.1-calculated",
      "date_calculated": "2026-08-25",
      "evidence_status": "calculation_backed_physical_validation_pending",
      "status_meaning": "Ingredient weights, source records, and arithmetic are present. The recipe has not yet been kitchen-tested, weighed after cooking, photographed, or reviewed as a physical serving.",
      "serving_count": 2,
      "serving_definition": "one of two equal halves of the finished personal pizza",
      "calculation_basis": "raw ingredient weights divided equally between two declared servings; no cooked-weight or per-100g-finished-food claim",
      "allergens": ["egg", "milk"],
      "ingredients": [
        {
          "ingredient": "Egg white, raw, fresh",
          "weight_g": 200,
          "source": "USDA FoodData Central",
          "fdc_id": 172183,
          "source_url": "https://fdc.nal.usda.gov/food-details/172183/nutrients",
          "source_basis_g": 100,
          "source_nutrients": {"calories_kcal": 52, "protein_g": 10.9, "total_carbohydrate_g": 0.73, "fat_g": 0.17},
          "calculated_contribution": {"calories_kcal": 104, "protein_g": 21.8, "total_carbohydrate_g": 1.46, "fat_g": 0.34}
        },
        {
          "ingredient": "Cheese, mozzarella, low moisture, part-skim",
          "weight_g": 56,
          "source": "USDA FoodData Central",
          "fdc_id": 329370,
          "source_url": "https://fdc.nal.usda.gov/food-details/329370/nutrients",
          "source_basis_g": 100,
          "source_nutrients": {"calories_kcal": 298, "protein_g": 23.7, "total_carbohydrate_g": 4.44, "fat_g": 20.4},
          "calculated_contribution": {"calories_kcal": 166.88, "protein_g": 13.272, "total_carbohydrate_g": 2.4864, "fat_g": 11.424}
        },
        {
          "ingredient": "Tomato sauce, canned, no salt added",
          "weight_g": 60,
          "source": "USDA FoodData Central",
          "fdc_id": 169074,
          "source_url": "https://fdc.nal.usda.gov/food-details/169074/nutrients",
          "source_basis_g": 100,
          "source_nutrients": {"calories_kcal": 24, "protein_g": 1.2, "total_carbohydrate_g": 5.31, "fat_g": 0.3},
          "calculated_contribution": {"calories_kcal": 14.4, "protein_g": 0.72, "total_carbohydrate_g": 3.186, "fat_g": 0.18}
        }
      ],
      "recipe_totals_unrounded": {"calories_kcal": 285.28, "protein_g": 35.792, "total_carbohydrate_g": 7.1324, "fat_g": 11.944},
      "per_declared_serving_unrounded": {"calories_kcal": 142.64, "protein_g": 17.896, "total_carbohydrate_g": 3.5662, "fat_g": 5.972},
      "per_declared_serving_display": {"calories_kcal": 143, "protein_g": 17.9, "total_carbohydrate_g": 3.6, "fat_g": 6.0},
      "calculation_rule": "ingredient contribution = ingredient weight g / 100 * source nutrient per 100g; sum all contributions; divide totals by 2 declared equal servings",
      "draft_preparation_protocol": [
        "Whisk 200g raw egg white until foamy and spread it as one thin personal-pizza base on a lined pan.",
        "Bake until the egg-white base is fully set; exact oven temperature and time remain pending a kitchen test.",
        "Top with 60g tomato sauce and 56g low-moisture part-skim mozzarella, then heat until the cheese melts.",
        "Cut the finished personal pizza into two equal halves. Weighing the cooked yield and each half is still required for physical verification."
      ],
      "physical_validation": {
        "kitchen_tested": false,
        "cooked_yield_g": null,
        "serving_weight_g": null,
        "photo_evidence_url": null,
        "reviewer": null,
        "review_date": null
      },
      "editorial_illustration": {
        "url": "https://swapmycraving.com/egg-white-pizza-ai-illustration-v1.jpg",
        "type": "ai_generated_illustration",
        "alt": "Illustration of a plain egg-white personal pizza with tomato sauce and mozzarella, cut into two halves",
        "physical_evidence": false,
        "disclosure": "Visualizes the ingredient model and serving definition only; not a kitchen-test photo, cooked-yield measurement, or verified serving."
      },
      "legacy_reference_comparison": {
        "legacy_per_slice": {"calories_kcal": 140, "protein_g": 18, "total_carbohydrate_g": 4, "fat_g": 4},
        "calculated_per_half": {"calories_kcal": 143, "protein_g": 17.9, "total_carbohydrate_g": 3.6, "fat_g": 6.0},
        "decision": "Do not replace the calculator value yet. Calories, protein, and carbohydrate are close after rounding, but calculated fat is about 2g higher and physical serving evidence is absent."
      },
      "source_access_note": "Canonical USDA FDC record URLs are provided. Per-100g values were cross-checked on 2026-08-25 against multiple independent mirrors of the named FDC records because the official detail/API endpoints returned connection errors in the build environment."
    }
  ],
  "ingredient_source_registry": [
    {
      "name": "Egg, white, raw, fresh",
      "source": "USDA FoodData Central",
      "fdc_id": 172183,
      "url": "https://fdc.nal.usda.gov/food-details/172183/nutrients",
      "role": "linked to egg-white-personal-pizza-v0.1-calculated; calculation-backed but not physically verified"
    },
    {
      "name": "Mushroom, portabella",
      "source": "USDA FoodData Central",
      "fdc_id": 2003598,
      "url": "https://fdc.nal.usda.gov/food-details/2003598/nutrients",
      "role": "candidate ingredient source; not yet linked to a verified recipe total"
    },
    {
      "name": "Cauliflower, raw",
      "source": "USDA FoodData Central",
      "fdc_id": 2685573,
      "url": "https://fdc.nal.usda.gov/food-details/2685573/nutrients",
      "role": "candidate ingredient source; not yet linked to a verified recipe total"
    },
    {
      "name": "Chicken breast, meat only, cooked, roasted",
      "source": "USDA FoodData Central",
      "fdc_id": 171477,
      "url": "https://fdc.nal.usda.gov/food-details/171477/nutrients",
      "role": "candidate ingredient source; not yet linked to a verified recipe total"
    },
    {
      "name": "Tortillas, ready-to-bake or -fry, whole wheat",
      "source": "USDA FoodData Central",
      "fdc_id": 174081,
      "url": "https://fdc.nal.usda.gov/food-details/174081/nutrients",
      "role": "candidate ingredient source; an exact product label still takes priority"
    },
    {
      "name": "Cheese, cream",
      "source": "USDA FoodData Central",
      "fdc_id": 173418,
      "url": "https://fdc.nal.usda.gov/food-details/173418/nutrients",
      "role": "candidate ingredient source; not yet linked to a verified recipe total"
    },
    {
      "name": "Cheese, mozzarella, low moisture, part-skim",
      "source": "USDA FoodData Central",
      "fdc_id": 329370,
      "url": "https://fdc.nal.usda.gov/food-details/329370/nutrients",
      "role": "linked to egg-white-personal-pizza-v0.1-calculated; calculation-backed but not physically verified"
    },
    {
      "name": "Peppers, bell, red, raw",
      "source": "USDA FoodData Central",
      "fdc_id": 2258590,
      "url": "https://fdc.nal.usda.gov/food-details/2258590/nutrients",
      "role": "candidate ingredient source; not yet linked to a verified recipe total"
    },
    {
      "name": "Flour, almond",
      "source": "USDA FoodData Central",
      "fdc_id": 2261420,
      "url": "https://fdc.nal.usda.gov/food-details/2261420/nutrients",
      "role": "candidate ingredient source; not yet linked to a verified recipe total"
    },
    {
      "name": "Tomato sauce, canned, no salt added",
      "source": "USDA FoodData Central",
      "fdc_id": 169074,
      "url": "https://fdc.nal.usda.gov/food-details/169074/nutrients",
      "role": "linked to egg-white-personal-pizza-v0.1-calculated; calculation-backed but not physically verified"
    }
  ]
}