German Apple Cake
["1/2 c. milk", "3/4 c. margarine", "1 tsp. vanilla", "1 c. sugar", "1 egg", "1 1/2 c. flour", "1 tsp. baking powder", "1 tsp. baking soda", "1/4 tsp. salt", "4 large McIntosh apples, diced", "1/2 c. chopped walnuts or pecans", "1/2 c. brown sugar", "2 tsp. cinnamon", "2 tsp. flour", "2 tsp. margarine"]
["Cream together milk, margarine, vanilla, sugar and egg.", "Add flour, baking powder, baking soda, salt, apples and nuts.", "Pour into greased 9 x 13-inch pan.", "Combine topping ingredients and sprinkle on cake before baking.", "Bake at 375\u00b0 for 35 to 40 minutes."]
["milk", "margarine", "vanilla", "sugar", "egg", "flour", "baking powder", "baking soda", "salt", "apples", "walnuts", "brown sugar", "cinnamon", "flour", "margarine"]