Ingredients

1 cup semisweet chocolate chips1/2 cup butter, softened1 cup sugar3 large eggs1 teaspoon vanilla extract1-1/4 cups all-purpose flour1/4 teaspoon baking soda3/4 cup chopped walnutsCOOKIE DOUGH LAYER:1/2 cup butter, softened1/2 cup packed brown sugar1/4 cup sugar3 tablespoons whole milk1 teaspoon vanilla extract1 cup all-purpose flour1 cup semisweet chocolate chips

Preparation

In a microwave, melt chocolate chips; stir until smooth. Cool slightly. In a large bowl, cream butter and sugar until light and fluffy. Beat in eggs and vanilla. Stir in melted chocolate. Combine flour and baking soda; gradually add to batter. Stir in walnuts.

Spread into a greased 13x9-in. baking pan. Bake at 350° for 16-22 minutes or until a toothpick inserted in the center comes out clean. Cool on a wire rack.

In a small bowl, cream butter and sugars until light and fluffy. Beat in milk and vanilla. Gradually add flour. Stir in chocolate chips. Drop by tablespoonfuls over cooled brownies; carefully spread over top. Cut into squares. Store in the refrigerator.