Easy Apple Strudel
["3 c. flour", "1 1/2 Tbsp. baking powder", "3/4 tsp. salt", "1 cube margarine", "1 1/8 c. milk", "2 Tbsp. melted margarine", "3 to 4 c. peeled, chopped apples", "3/4 c. sugar", "1 1/2 tsp. cinnamon", "1/2 c. powdered sugar", "1 Tbsp. milk", "1/4 tsp. vanilla"]
["Combine flour, powder and salt. Cut in margarine until mixture resembles coarse cornmeal. Add milk. Stir until blended.", "Knead gently 12 times. Roll dough (about 1/4-inch thick) into a rectangle. Brush with melted margarine."]
["flour", "baking powder", "salt", "margarine", "milk", "margarine", "apples", "sugar", "cinnamon", "powdered sugar", "milk", "vanilla"]