Cream butter, sugar and brown sugar. Add egg and vanilla. Beat in peanut butter. Add flour, salt, baking soda and oatmeal. Spread in a greased 9x13-inch pan. Bake at 350 for 20 minutes. Sprinkle with chocolate chips. Let stand 5 minutes and spread evenly. Mix frosting ingredients together until smooth. Drizzle over bars and cool. |