Chocolate Delight Bars
["1/2 c. butter", "1 egg yolk", "2 Tbsp. water", "1 1/4 c. flour", "1 tsp. sugar", "1 tsp. baking powder", "1 (12 oz.) pkg. chocolate chips", "2 eggs", "3/4 c. sugar", "6 Tbsp. butter", "2 tsp. vanilla", "2 c. nut meats"]
["Beat the first 3 ingredients.", "Sift the next 3 ingredients and stir in.", "Press into a 13 x 9-inch pan.", "Bake at 350\u00b0 for 10 minutes.", "Sprinkle chocolate chips.", "Return to oven 1 minute. Spread on top.", "Beat eggs and sugar; stir in butter, vanilla and nut meats.", "Place over melted chocolate chips and bake at 350\u00b0 for 30 minutes."]
["butter", "egg yolk", "water", "flour", "sugar", "baking powder", "chocolate chips", "eggs", "sugar", "butter", "vanilla", "nut meats"]