Apple Walnut Cake
["1 (20 oz.) can apple pie filling", "2 c. flour", "2 c. sugar", "2 tsp. baking soda", "1 tsp. salt", "2 eggs, beaten", "1 tsp. vanilla", "2/3 c. oil", "3/4 c. walnuts, chopped", "1/2 c. sour cream"]
["Preheat oven to 350\u00b0.", "Spread pie filling in bottom of 9 x 13-inch pan.", "Combine flour, 1 cup sugar, baking soda and salt. Sprinkle mixture over pie filling.", "In a bowl, combine eggs, vanilla, oil and nuts; mix well.", "Pour over ingredients in pan; stir only until blended.", "Smooth batter evenly in pan.", "Bake for 40 to 45 minutes, until cake springs back from light touch.", "Cool on rack for about 20 minutes.", "Prick warm cake with fork."]
["apple pie filling", "flour", "sugar", "baking soda", "salt", "eggs", "vanilla", "oil", "walnuts", "sour cream"]