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 loin steaks | 500 g | FDC 168263Pork, fresh, loin, center loin (chops), boneless, separable lean only, raw | 615 kcal | 118.8 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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| olive oil | 14 g | FDC 171413Oil, olive, salad or cooking | 121 kcal | 0.0 g |
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| onion | 150 g | FDC 170000Onions, raw | 60 kcal | 1.7 g |
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| red pepper | 300 g | FDC 170108Peppers, sweet, red, raw | 78 kcal | 3.0 g |
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| garlic | 15 g | FDC 169230Garlic, raw | 22 kcal | 1.0 g |
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| chopped tomatoes | 400 g | FDC 170051Tomatoes, red, ripe, canned, packed in tomato juice | 64 kcal | 3.2 g |
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| chickpeas | 480 g | FDC 173800Chickpeas (garbanzo beans, bengal gram), mature seeds, canned, drained solids | 667 kcal | 33.8 g |
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| vegetable stock | 145 g | FDC 171583Soup, vegetable broth, ready to serve | 7 kcal | 0.4 g |
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| spinach | 150 g | FDC 168462Spinach, raw | 35 kcal | 4.3 g |
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| parsley | 10 g | FDC 170416Parsley, fresh | 4 kcal | 0.3 g |
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| Whole recipe | | Divided by 4 | 1686 kcal | 166.9 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.