1 Preheat oven to 350°F.2 Spread apples in an 11x7x2-inch pan coated with cooking spray. Sprinkle with 1/2 teaspoon cinnamon; add water.3 Combine flour, sugar, and ground cinnamon. Cut in margarine, using a pastry blender or two forks, until mixture resembles coarse meal.4 Add cereal; mix and sprinkle over apples. Bake for 30 minutes. Top with frozen vanilla yogurt or ice cream if desired.