1 cup butter, softened 1 cup sugar 1 cup brown sugar, firmly packed 1 teaspoon vanilla extract 2 large eggs 2 1/2 cups peanut butter, divided 2 cups old fashioned oats 2 cups flour 1 teaspoon baking soda 1 teaspoon salt Frosting: 1/2 cup butter, softened 1/4 cup milk 2 teaspoons vanilla 4 tablespoons cocoa 3 cups powdered sugar INSTRUCTIONS Preheat oven to 350 degrees F. In a large bowl, cream butter, sugar and brown sugar together. Add vanilla, eggs, and 1 cup peanut butter; stir to combine. Add oats, flour, baking soda and salt and mix until well combined. Spray a baking sheet with nonstick cooking spray and spread out dough evenly. Bake for 15 minutes and remove from oven. Drop remaining peanut butter by spoonfuls on top of warm bars and spread when peanut butter has begun to melt. Let cool until peanut butter has set up. While cooling, mix together frosting ingredients with a hand mixer until smooth and spread on top of bars.