Each ingredient’s weight is multiplied by its USDA FoodData Central values per 100 g. The whole recipe is added up and divided by 2. 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 |
|---|
| potatoes | 300 g | FDC 170026Potatoes, flesh and skin, raw | 231 kcal | 6.1 g |
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| olive oil | 9 g | FDC 171413Oil, olive, salad or cooking | 80 kcal | 0.0 g |
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| smoked paprika | 1 g | FDC 171329Spices, paprikaCalculated with FoodData Central's paprika record, which does not separate smoked paprika from sweet. | 3 kcal | 0.2 g |
|---|
| Greek yoghurt | 60 g | FDC 170894Yogurt, Greek, plain, nonfat (Includes foods for USDA's Food Distribution Program) | 35 kcal | 6.1 g |
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| Dijon mustard | 10 g | FDC 2710085Mustard | 7 kcal | 0.4 g |
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| tomato purée | 10 g | FDC 170459Tomato products, canned, paste, without salt added (Includes foods for USDA's Food Distribution Program) | 8 kcal | 0.4 g |
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| cider vinegar | 5 g | FDC 173469Vinegar, cider | 1 kcal | 0.0 g |
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| lean beef mince | 250 g | FDC 173110Beef, ground, 93% lean meat / 7% fat, raw | 380 kcal | 52.1 g |
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| onion | 60 g | FDC 170000Onions, raw | 24 kcal | 0.7 g |
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| garlic powder | 1.5 g | FDC 171325Spices, garlic powder | 5 kcal | 0.3 g |
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| cheddar | 30 g | FDC 173414Cheese, cheddar (Includes foods for USDA's Food Distribution Program) | 121 kcal | 6.9 g |
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| romaine lettuce | 100 g | FDC 169247Lettuce, cos or romaine, raw | 17 kcal | 1.2 g |
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| tomatoes | 150 g | FDC 170457Tomatoes, red, ripe, raw, year round average | 27 kcal | 1.3 g |
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| cucumber | 100 g | FDC 168409Cucumber, with peel, raw | 15 kcal | 0.7 g |
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| Whole recipe | | Divided by 2 | 955 kcal | 76.4 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. Calculation method 1.0, September 2026. How the calculation works.