No Bake Peanut Butter Oat Bars. You can have No Bake Peanut Butter Oat Bars using 4 ingredients and 2 steps. Here is how you cook it. Ingredients of No Bake Peanut Butter Oat Bars Prepare 1 1/4 cup of old fashioned rolled oats. You need 1 cup of all natural peanut butter. You need […]