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 |
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| flank steak | 300 g | FDC 174776Beef, flank, steak, separable lean only, trimmed to 0" fat, all grades, raw | 423 kcal | 64.7 g |
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| soy sauce | 25 g | FDC 172473Soy sauce made from soy and wheat (shoyu), low sodium | 14 kcal | 2.3 g |
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| honey | 7 g | FDC 169640Honey | 21 kcal | 0.0 g |
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| garlic | 5 g | FDC 169230Garlic, raw | 7 kcal | 0.3 g |
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| fresh ginger | 10 g | FDC 169231Ginger root, raw | 8 kcal | 0.2 g |
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| cayenne pepper | 0.5 g | FDC 170932Spices, pepper, red or cayenne | 1 kcal | 0.1 g |
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| rapeseed or other neutral oil | 4.5 g | FDC 172336Oil, canola | 41 kcal | 0.0 g |
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| cider vinegar | 10 g | FDC 173469Vinegar, cider | 2 kcal | 0.0 g |
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| toasted sesame oil | 9 g | FDC 171016Oil, sesame, salad or cooking | 80 kcal | 0.0 g |
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| romaine lettuce | 150 g | FDC 169247Lettuce, cos or romaine, raw | 26 kcal | 1.8 g |
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| cucumber | 150 g | FDC 168409Cucumber, with peel, raw | 23 kcal | 1.0 g |
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| carrot | 100 g | FDC 170393Carrots, raw | 41 kcal | 0.9 g |
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| spring onions | 30 g | FDC 170005Onions, spring or scallions (includes tops and bulb), raw | 10 kcal | 0.5 g |
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| cooked brown rice | 200 g | FDC 169704Rice, brown, long-grain, cooked (Includes foods for USDA's Food Distribution Program) | 246 kcal | 5.5 g |
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| Whole recipe | | Divided by 2 | 942 kcal | 77.3 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. Calculation method 1.0, September 2026. How the calculation works.