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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| braising beef | 600 g | FDC 171206Beef, chuck for stew, separable lean and fat, all grades, rawCalculated with FoodData Central's chuck for stew record, lean and fat as sold. | 768 kcal | 130.5 g |
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| plain flour | 15 g | FDC 169761Wheat flour, white, all-purpose, unenriched | 55 kcal | 1.5 g |
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| olive oil | 9 g | FDC 171413Oil, olive, salad or cooking | 80 kcal | 0.0 g |
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| onion | 150 g | FDC 170000Onions, raw | 60 kcal | 1.7 g |
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| tomato purée | 30 g | FDC 170459Tomato products, canned, paste, without salt added (Includes foods for USDA's Food Distribution Program) | 25 kcal | 1.3 g |
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| dried thyme | 1 tsp | Not calculatedHalf a teaspoon of dried thyme weighs well under a gram, which is under 2 kcal at the energy density of any dried herb. | · | · |
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| beef stock | 810 g | FDC 172883Soup, stock, beef, home-preparedCalculated with FoodData Central's home-prepared beef stock. Bought stock and stock cubes carry more salt. | 105 kcal | 16.0 g |
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| carrot | 250 g | FDC 170393Carrots, raw | 103 kcal | 2.3 g |
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| celery | 100 g | FDC 169988Celery, raw | 14 kcal | 0.7 g |
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| mushrooms | 200 g | FDC 169251Mushrooms, white, raw | 44 kcal | 6.2 g |
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| pearl barley | 80 g | FDC 170284Barley, pearled, raw | 282 kcal | 7.9 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 | 1539 kcal | 168.4 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. Ingredients marked “Not calculated” are excluded and could add at most 2 kcal to the whole recipe. Calculation method 1.0, September 2026. How the calculation works.