Ingredients
1 cup butter, cubed2 cups sugar1/3 cup baking cocoa2 teaspoons vanilla extract4 large eggs2 cups all-purpose flour1 teaspoon salt1 cup chopped assorted miniature candy bars (about 18)TOPPING:1 package (8 ounces) cream cheese, softened1/3 cup sugar1/2 teaspoon vanilla extract1 large egg1/2 cup chopped assorted miniature candy bars (about 10)
Preparation
Preheat oven to 350°. Grease a 13x9-in. baking pan. In a microwave, melt butter in a large microwave-safe bowl. Stir in sugar, cocoa and vanilla. Add eggs, one at a time, whisking to blend after each addition. Add flour and salt; stir just until combined. Stir in 1 cup candy bars.
Spread into prepared pan. In a large bowl, beat cream cheese and sugar until smooth. Beat in vanilla. Add egg; beat on low speed just until blended. Drop by tablespoonfuls over batter. Cut through batter with a knife to swirl. Sprinkle with 1/2 cup candy bars.
Bake until filling in center is almost set, 30-35 minutes. Cool 1 hour in pan on a wire rack. Refrigerate at least 2 hours. Cut into bars.