These peanut butter bars have a soft, chewy peanut butter cookie base, creamy peanut butter center and chocolate buttercream on top. These are the best peanut butter bars of all time!
Peanut Butter Bars – 1 cup butter softened – 1 cup sugar – 1 cup brown sugar – 1 teaspoon vanilla extract – 2 large eggs – 2½ cups peanut butter divided – 2 cups old fashioned oats – 2 cups flour – 1 teaspoon baking soda – 1 teaspoon salt Frosting – ½ cup butter softened – ¼ cup milk – 2 teaspoons vanilla – 4 Tablespoons cocoa powder – 3 cups powdered sugar