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The Stew Portion Calculator helps you scale stew recipes accurately for any number of servings, providing raw protein quantities, vegetable amounts, and stock volumes. Stews are one of the most practical dishes for large-batch cooking — they are forgiving in preparation, improve with time as flavors meld, and scale up almost linearly without significant changes in technique.
A stew differs from a soup primarily in its solid-to-liquid ratio. Where soups are liquid-dominant, stews are solid-dominant: the liquid serves as the cooking medium and ultimately becomes a concentrated sauce that coats the protein and vegetables, rather than forming the bulk of the dish. A well-made stew contains enough liquid during cooking to prevent burning and facilitate even heat transfer, but reduces to a glossy, coating consistency by the time it is served.
Portion sizes for stew as a main course depend on context. For a hearty meat stew served as the centerpiece of a meal, 300–400 g of cooked stew per person is standard — representing roughly 150 g of cooked protein and 150 g of cooked vegetables in about 50 ml of thick sauce. This calculator uses 350 g per person as the main-course standard, which is generous enough for most adults without creating excessive waste.
The raw-to-cooked conversion is an important factor for stew planning. Braising meats like beef chuck, lamb shoulder, or chicken thighs lose approximately 30% of their raw weight during long, slow cooking — through moisture evaporation and fat rendering. Seafood, which cooks much more quickly, loses about 20% of its raw weight. This means that if you want 100 g of cooked beef in a stew, you need approximately 143 g of raw beef. This calculator accounts for this yield factor when presenting the raw protein quantity to purchase.
Vegetables in stew also lose weight through cooking, but the loss is partially offset by absorption of the cooking liquid. Net vegetable yield in a long-cooked stew is approximately 85–90% of raw weight — a smaller loss than for roasted or boiled vegetables because the liquid prevents surface drying. The calculator uses raw vegetable weights as the planning quantity, reflecting shopping needs rather than the finished volume.
Per serving cooked weight: Main = 350 g, Side = 200 g
Raw protein per serving: Meat = 150 g raw (÷0.70 yield), Chicken = 130 g raw (÷0.70), Seafood = 120 g raw (÷0.80)
Vegetables: Vegetarian = 250 g/serving, Other = 150 g/serving (raw weight)
Liquid: 150 ml per serving (sufficient for braising — will reduce during cooking)
The raw protein figure is your shopping weight. The vegetable figure is the total raw weight before cooking. The liquid figure is the minimum starting volume — actual liquid added depends on the recipe (some stews start with more liquid and reduce, others use minimal braising liquid from the start). Prepare 10–15% more than calculated for large batches.
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Buy 1.7 kg raw beef chuck, prepare 1.2 kg vegetables, and use approximately 1.2 L of stock for a main-course beef stew for 8 people.
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3 kg of vegetables (beans, potatoes, root vegetables, leafy greens) and 1.8 L of vegetable stock for 12 main-course portions.
For a main course, 300–400 g of cooked stew per person is standard. This includes protein, vegetables, and sauce. For a richer stew served with bread or mashed potato (which adds satiety), 300 g is sufficient. If stew is served alone as a standalone meal, 400 g per person ensures satisfaction.
During cooling and reheating, the collagen in connective tissues of braised meats continues to break down into gelatin, creating a richer, silkier sauce. Flavor compounds from herbs and vegetables meld further. The Maillard compounds from browning redistribute through the liquid. This is why nearly all experienced cooks recommend making stew a day in advance.
At low heat (160–170°C in an oven or a bare simmer on the stovetop), collagen in tough cuts like chuck, brisket, or shin begins to convert to gelatin at around 70–80°C. Full collagen conversion for silky, falling-apart texture requires 2–3 hours of gentle cooking. Avoid boiling — vigorous boiling toughens protein fibers and makes the meat dry.
Tougher, collagen-rich cuts are always best for slow-braised stews: beef chuck, brisket, or shin (shank); lamb shoulder or neck; pork shoulder or belly; chicken thighs (not breast — it dries out). These cuts are cheaper, more flavorful, and become tender and silky with long, slow cooking. Expensive lean cuts like sirloin become dry and tough in a stew.
Browning is strongly recommended. The Maillard reaction on the surface of seared meat creates hundreds of flavor compounds (the 'fond' in the bottom of the pan) that dissolve into the stewing liquid during cooking, contributing depth of flavor that cannot be achieved by adding raw meat directly. Brown in small batches to avoid steaming rather than searing.
Several methods work: (1) Dust the browned meat in flour before adding liquid — the flour thickens as it cooks; (2) make a cornstarch slurry and stir in at the end; (3) simmer uncovered for the final 20–30 minutes to reduce and concentrate; (4) mash some of the cooked potato or root vegetable directly into the liquid.
Yes, most stews freeze very well for up to 3 months. Potato-based stews are an exception — potatoes become mealy and unpleasant after freezing. If you plan to freeze a stew, leave the potato out and add freshly cooked potato when reheating. Dairy-enriched stews (those finished with cream) can also separate on thawing; add the cream fresh when reheating.
Functionally, the terms are often used interchangeably. Technically, a stew is cooked on the stovetop in a pot, while a casserole is cooked in a covered dish in the oven. Both involve braising ingredients in liquid. Casseroles often have lower liquid levels and may have a topping (breadcrumbs, pastry) added for the final cooking period.
For most stew recipes, multiply all solid ingredients by the scaling factor (×5 in this case). For liquids, increase by slightly less than the factor — use ×4 to ×4.5 — because evaporation and the surface-area-to-volume ratio changes in a larger pot. Season in proportion but taste and adjust at the end, as seasoning does not scale exactly.
In a long-cooked stew (2+ hours), the vast majority of alcohol evaporates during cooking — typically 80–95% depending on cooking time, temperature, and how covered the pot is. A small residual amount remains but is negligible in a normal portion. For guests who avoid alcohol entirely, substitute with additional stock plus a tablespoon of tomato paste for depth.
Roboculator Team
The Roboculator Team explains calculations, planning tools, and practical formulas in clear language for real-life situations.
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