Baked Apple Pancake

Ingredients 1 fat-free milk 3/4 all-purpose flour 2 egg whites 1 whole egg 1/2 teaspoon baking powder 2 tablespoons sugar 2 tablespoons margarine, melted 2 teaspoons pure vanilla extract 1 teaspoon grated lemon zest 1 large tart apple, peeled, cored, and thinly sliced 2 tablespoons brown sugar 2 teaspoons lemon juice 1/4 teaspoon cinnamon Directions