There are a couple of important steps to making cookie dough that makes all the difference: ingredient temperature and the mixing itself.
Have all ingredients at room temperature before mixing the dough, unless your recipe specifically says otherwise. This helps all the different kinds of ingredients come together evenly. After you mix the dough, you can chill it for 30 minutes before baking so it holds its shape better as it bakes. Rolled and cut-out cookies should be refrigerated before baking for sharper, clearer edges. Drop cookies, such as chocolate chip or oatmeal cookies, can be at room temperature before baking; the spoonfuls of dough will spread and flatten out to the desired result.
Mixing cookie dough doesn't require as delicate a touch as mixing cake batter or quick bread, but it's still important to get it right. Some cookie recipes require a creaming step in which the fat and sugars are beaten together until light-colored and fluffy. Other cookie recipes require a sandy texture, so the fat is cut into the flour. Over-mixing can incorporate too much air into the dough, resulting in flat, overly spread-out cookies. Always read through and follow the recipe instructions.
If you have a cookie recipe that you love, but aren't getting the desired results, use these tips to get your perfect cookie: