Double Chocolate Bars
["1/4 c. margarine", "3/4 c. sugar", "1 tsp. vanilla", "1/2 c. chocolate bits", "2 eggs", "2 oz. chocolate bits", "1 c. flour", "1/2 tsp. salt", "1/2 tsp. baking powder", "1/4 c. corn syrup", "1/2 c. walnuts, chopped"]
["Melt chocolate", "bits", "and allow to cool.", "Cream butter, sugar and", "vanilla until fluffy; add syrup and continue creaming.", "Beat in", "eggs and chocolate.", "Sift flour; sift together dry ingredients.", "Stir", "into batter.", "Fold in chocolate pieces and walnuts.", "Spread", "in", "a greased 9 x 9 x 2-inch baking pan; bake in a", "moderate", "350\u00b0", "oven about 25 minutes.", "Cut in bars when cool."]
["margarine", "sugar", "vanilla", "chocolate bits", "eggs", "chocolate bits", "flour", "salt", "baking powder", "corn syrup", "walnuts"]