Great question, Marie. When cookies don't spread in the oven, it can be a sign of a few different things. Most commonly this is the result of flour measurement. Too much flour can result in dense, dry dough that will hold its shape more than desired. We recommend using a scale to measure flour (as well as your other ingredients) whenever possible. If you don’t have a scale, check out our video tip for measuring flour the King Arthur way. Rethinking your flour measurement should help you to get the relatively light cup of flour (4.25 oz or 120 grams) our recipes intend, and a more desirable end result. Mollie@KAF

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