How Do You Keep Cookies From Going Flat?
To prevent cookies from going flat, use chilled dough and a cool baking sheet. Chill the dough for at least 30 minutes before baking and refrigerate the baking sheet for 10 minutes before putting the cookies on it. This will help to keep the dough from spreading too much in the oven. Additionally, make sure to measure all the ingredients accurately and use the correct ratio of wet to dry ingredients. Finally, don’t overmix the dough, as this can cause the cookies to spread.