Chocolate Delight Bars

• 1/2 cup margarine, softened
• 1 egg yolk
• 2 tablespoons water
• 1 1/4 cups flour
• 1 teaspoon sugar
• 1 teaspoon baking powder
• 2 cups chocolate chips
• 2 eggs
• 3/4 cup sugar
• 6 tablespoons margarine, melted
• 2 teaspoons vanilla
• 1 to 2 cups nuts, chopped fine

Combine the first six ingredients and mix till smooth.  Mixture will be very stiff.  Press into a greased 9x13-inch pan.  Bake 10 minutes at 350°.  Remove from oven and sprinkle with chocolate chips.  Return to oven for 1 minute.  Spread melted chips over the crust.  Beat eggs until thick, beat in sugar.  Stir in melted margarine, vanilla, and nuts.  Spread over chocolate.  Bake 30-35 minutes at 350°.  Cut into squares when cool.