We Have a New Way to Double or Halve Recipes. It Might Just Make You a Better Cook.

By Genevieve KoGenevieve Ko, a senior editor who oversees recipes on NYT Cooking, spent nine months working with Times engineers on this feature.Published Jan. 20, 2026Updated Jan. 20, 2026You’ve probably asked yourself whether you can turn a recipe that makes four servings into dinner for two or a feast for eight. It seems like a matter of simple arithmetic until you start to cook a dish and discover that twice…