Ingredients

CHOCOLATE LAYER:1/2 cup butter, melted1/4 cup baking cocoa2 large eggs, lightly beaten1 cup sugar3/4 cup all-purpose flourPinch salt1/2 cup chopped walnutsBUTTERSCOTCH LAYER:1/2 cup butter, softened1-1/2 cups packed brown sugar2 large eggs2 teaspoons vanilla extract1-1/2 cups all-purpose flour1/4 teaspoon salt1/2 cup chopped walnutsFROSTING:1/4 cup butter, cubed1/2 cup packed brown sugar3 tablespoons 2% milk1-1/2 cups confectioners’ sugar, sifted1/3 cup semisweet chocolate chips1/3 cup butterscotch chips1 tablespoon shortening

Preparation

In a small bowl, combine butter and cocoa until smooth. In a large bowl, beat eggs and sugar. Stir in chocolate mixture. Combine flour and salt; gradually add to chocolate mixture just until blended. Stir in walnuts. Pour into a greased 13-in. x 9-in. baking pan; set aside.

For butterscotch layer, in a large bowl, cream butter and brown sugar until light and fluffy. Beat in eggs and vanilla. Combine flour and salt; gradually add to creamed mixture. Stir in walnuts.

Spoon over chocolate layer. Bake at 350° for 30-35 minutes or until brownies begin to pull away from sides of pan. Cool on a wire rack.

For frosting, in a small saucepan, combine the butter, brown sugar and milk; bring to a boil and boil for 2 minutes. Remove from the heat; gradually stir in confectioners’ sugar until smooth. Quickly spread over brownies.

In a microwave, melt the chocolate chips, butterscotch chips and shortening at 70% power for 1 minute; stir. Microwave at additional 10- to 20-second intervals, stirring until smooth. Drizzle over frosting.