These peanut butter oatmeal bars are rich and hearty peanut butter cookie bars packed full of oatmeal, and topped with more creamy peanut butter and a rich chocolate frosting - perfect for a crowd!
2 1/3 cups old fashioned oats 1 1/2 cups flour 1 tsp baking powder 1 cup creamy peanut butter 1 cup butter (softened) 2/3 cup white sugar 1 1/3 cup brown sugar 2 eggs 1 tsp vanilla 1/2 tsp salt For topping the bars: 1 cup peanut butter 1/2 cup butter 6 TBS milk (whole or 2%) 4 TBS cocoa powder 3 1/2 cups powdered sugar