Fruit Squares
["1/2 lb. butter", "3 c. flour", "1 c. sugar", "1 tsp. baking powder", "1 tsp. baking soda", "4 egg yolks (save whites)", "1/2 tsp. salt", "1 c. sour cream", "1 tsp. lemon juice", "grated lemon rind", "fruit pie filling (large can)"]
["Work butter and flour like for a pie crust.", "Add remaining ingredients, except for the pie filling.", "Place about 1/2 to 3/4 cup of the batter in a small bowl.", "Spread the rest of batter into an ungreased jelly roll pan.", "Add flour to reserved batter to make a rollable dough.", "After spreading pie filling over batter, crisscross strips of the \"pie dough\" over the fruit filling."]
["butter", "flour", "sugar", "baking powder", "baking soda", "egg yolks", "salt", "sour cream", "lemon juice", "lemon rind", "fruit pie filling"]