2 sticks (1 cup) butter, softened
1 cup sugar
1 cup brown sugar, packed
1 teaspoon pure vanilla extract
2 large eggs
2 1/2 cups peanut butter, 1 cup for the bars, 1 1/2 cups for the top layer
2 cups old fashioned oats
2 cups flour
1 teaspoon baking soda
1 teaspoon salt
Frosting
1 stick (1/2 cup) butter, softened
1/4 cup milk
2 teaspoons pure vanilla extract
4 Tablespoons cocoa powder
3 cups powdered sugar