Ingredients

1-1/2 cups quick-cooking oats3/4 cup all-purpose flour3/4 cup packed brown sugar1/4 teaspoon baking soda1/4 teaspoon salt3/4 cup butter, melted1 package fudge brownie mix (13x9-inch pan size)FROSTING:3 tablespoons butter1-1/2 ounces unsweetened chocolate2-1/4 cups confectioners’ sugar3 to 4 tablespoons hot water1-1/2 teaspoons vanilla extract

Preparation

In a large bowl, combine the oats, flour, brown sugar, baking soda and salt. Stir in butter until combined. Press into an ungreased 13x9-in. baking pan. Bake at 350° for 10-11 minutes or until puffed and edges are lightly browned.

Meanwhile, prepare brownie mix according to package directions for cakelike brownies. Spread batter over crust. Bake 25-30 minutes longer or until a toothpick inserted in the center comes out clean.

For frosting, in a microwave-safe bowl, melt butter and chocolate; stir until smooth. Immediately stir in the confectioners’ sugar, 2 tablespoons water and vanilla until smooth. Add remaining water as desired; stir until smooth. Immediately spread over brownies. Cool on a wire rack until firm. Cut into 36 bars.