Ingredients
1 package yellow cake mix (regular size)2 large eggs1/4 cup packed brown sugar1/4 cup butter, melted1/4 cup water2 cups semisweet chocolate chips, divided1/2 cup chopped pecans or walnuts1 tablespoon shortening
Preparation
In a large bowl, combine the first five ingredients. Beat on medium speed for 2 minutes. Stir in 1-1/2 cups of chocolate chips and nuts.
Spread in a greased 13x9-in. baking pan. Bake at 375° for 20-25 minutes or until lightly browned and a toothpick inserted in the center comes out clean. Cool on a wire rack.
Melt shortening with the remaining chocolate chips; drizzle over the top. Cut into bars.