Double Chocolate Mud Bars

Ingredients:
• ½ cup butter, softened
• 1 cup sugar
• 2 large eggs, separated
• 1½ cups flour
• 1 teaspoon baking powder
• ½ teaspoon salt
• 1 cup walnuts, chopped
• ½ cup semisweet chocolate chips
• 1 cup miniature marshmallows
• 1 cup candy-coated chocolate pieces (optional)
• 1 cup brown sugar

Preparation:
Beat together butter and sugar. Beat egg yolks one at a time. In separate bowl, mix together flour, baking powder, and salt. Fold flour mixture into butter mixture. Press into greased 9x13-inch baking pan. Sprinkle with nuts, chocolate chips, marshmallows, and, if desired, candy-coated chocolate pieces. Beat egg whites at high speed until stiff peaks form. Fold in brown sugar. Spread over mixture in pan. Bake at 350 degrees for 35 minutes. Cool completely; cut into squares.

This recipe was published in 'Countertop Inspirations, Everyday chocolate 120 Tasty Recipes - p58'.