When scaling a recipe, adjust your cooking vessel to maintain a similar depth of ingredients. Using appropriately sized cookware ensures even cooking and prevents undercooked or overcooked results.
Scaling a recipe involves more than just multiplying ingredients; you also need to consider the surface area and volume of your cookware. If you double a recipe meant for an 8-inch square pan (64 square inches) and move it to a 9x13 inch pan (117 square inches), you've significantly increased the surface area. This means the mixture will be shallower.
Here's a step-by-step approach:
Calculate the area/volume: Determine the area (for flat items like cakes or casseroles) or volume (for liquids like soups or stews) of the original recipe's cookware.
Determine the scaling factor: If you're doubling the recipe, your scaling factor is 2. If tripling, it's 3, and so on.
Find suitable cookware: Look for cookware that provides a similar depth of ingredients after scaling. For example, if doubling a casserole from an 8-inch square pan, a 9x13 inch pan is a good choice because it provides more surface area without drastically reducing the depth of the casserole.
Adjust cooking time: A shallower dish will often cook faster. Monitor the dish closely and reduce cooking time accordingly. A deeper dish may require a longer cooking time.
Using appropriately sized cookware is crucial because it directly impacts heat distribution and cooking time. If the dish is too shallow, it may dry out or overcook. If it's too deep, the center may remain undercooked while the edges are done.
When in doubt, it's better to use a slightly larger dish than a smaller one. You can always reduce the cooking time if needed, but you can't easily compensate for a dish that's overflowing or cooking unevenly due to overcrowding.