Overmixing can lead to tougher cookies, and we want them to be thin, chewy, and tender! Don’t overmix the dough: When beating the ingredients, mix just until everything is incorporated.This will allow it to cream easily with the rest of the ingredients, resulting in a smoother texture for your cookies. Soften the butter: Make sure your butter is softened at room temperature.Now that you have all the ingredients, let’s dive into some tips to ensure your Thin Chewy Oatmeal Raisin Cookies turn out absolutely perfect: Tips for making delicious Thin and Chewy Oatmeal Raisin Cookies: Substitute walnuts or chocolate chips for a variation of this cookie. Raisins: My favorite raisin bran is Sun-Maid, Regular dark raisins are a favorite when it comes to oatmeal cookies, although you can use golden raisins as well.Adds delicious flavor to your cookie dough. Vanilla extract: use your favorite or what you have on hand.Baking soda: leavening agent for the perfect cookies.Substitute with quick-cooking oats for a thicker and fluffier cookie. Oats: I use rolled oats for added texture and to keep the cookies thin and chewy.All-purpose flour: all-purpose flour gives it the necessary structure and perfect chew.Eggs: you will need just 1 for this recipe to bind the ingredients together.Brown sugar will add flavor and add moisture to the cookie, keeping it soft and chewy while the ¼ cup of white sugar also sweetens them and let those edges crisp up when browned. Sugar: This recipe uses two types of sugar.Use it completely a room temperature so it mixes with all the ingredients. Butter: Unsalted butter is preferable here.Ingredients for Thin and Chewy Oatmeal Raisin Cookies: