What changes when you double or half a recipe?

• A. Cooking temperature
• B. Amounts of ingredients only
• C. Amounts, size of pan used, and cooking time
• D. The number of servings

Answer: (C)

When you double or halve a recipe, you’re changing how much food you’re making, so several parts of the process must adjust to keep the dish coming out the same. First, the amounts of ingredients should be scaled by the same factor so flavors and textures stay balanced. If you’re halving, you cut every ingredient in half; if you’re doubling, you multiply each ingredient by two.

Second, you may need a different pan. The volume changes, and you want a pan that can hold it without overflowing and that allows heat to reach the contents evenly. A pan that’s too small or too thin can crowd the food or heat it unevenly, affecting texture and doneness.

Third, cooking time usually changes. More food generally takes longer for heat to penetrate to the center and for moisture to reach the right level, while a smaller batch cooks faster. Thickness and how spread out the food is in the pan also affect how long it needs to cook.

Temperature doesn’t typically need to change, since you’re aiming for the same level of doneness; you adjust the amount and the time (and the pan) to fit the new quantity. The number of servings follows from the scaled amounts, but that’s a result of adjusting the recipe, not a separate change to perform.