Each ingredient’s weight is multiplied by its USDA FoodData Central values per 100 g. The whole recipe is added up and divided by 4. Raw weights are used for meat, fish and vegetables; beans and lentils are drained weights. All of the oil is counted as eaten. Added salt is not included; sodium from stock, bread, cheese and tinned food is.
Calculation, whole recipe| Ingredient | Weight used | Source | Energy | Protein |
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| pork shoulder | 600 g | FDC 167845Pork, fresh, shoulder, whole, separable lean only, rawCalculated with FoodData Central's lean-only shoulder record; trim the outer fat to match it. | 888 kcal | 117.3 g |
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| smoked paprika | 4.5 g | FDC 171329Spices, paprikaCalculated with FoodData Central's paprika record, which does not separate smoked paprika from sweet. | 13 kcal | 0.7 g |
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| garlic powder | 3 g | FDC 171325Spices, garlic powder | 10 kcal | 0.5 g |
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| ground cumin | 2 g | FDC 170923Spices, cumin seedFoodData Central records cumin seed; ground cumin is the same seed, milled. | 8 kcal | 0.4 g |
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| onion | 150 g | FDC 170000Onions, raw | 60 kcal | 1.7 g |
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| tomato purée | 60 g | FDC 170459Tomato products, canned, paste, without salt added (Includes foods for USDA's Food Distribution Program) | 49 kcal | 2.6 g |
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| cider vinegar | 30 g | FDC 173469Vinegar, cider | 6 kcal | 0.0 g |
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| honey | 21 g | FDC 169640Honey | 64 kcal | 0.1 g |
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| water | 250 g | No energy | 0 kcal | 0.0 g |
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| cabbage | 300 g | FDC 169975Cabbage, raw | 75 kcal | 3.8 g |
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| carrot | 150 g | FDC 170393Carrots, raw | 62 kcal | 1.4 g |
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| Greek yoghurt | 160 g | FDC 170894Yogurt, Greek, plain, nonfat (Includes foods for USDA's Food Distribution Program) | 94 kcal | 16.3 g |
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| wholemeal burger buns | 280 g | FDC 174090Rolls, hamburger or hot dog, whole wheat | 753 kcal | 34.7 g |
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| Whole recipe | | Divided by 4 | 2083 kcal | 179.3 g |
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Per serving the energy is rounded to the nearest 5 kcal, grams to the nearest whole gram and sodium to the nearest 10 mg. of which sugars could not be calculated, because one ingredient’s record does not cover it; the row above says which. Calculation method 1.0, September 2026. How the calculation works.