Preheat oven to 350o F
Grease a medium sized baking dish with butter or cooking spray.
Peel 4 baking apples and chop into 1/2 – 3/4 inch cubes
In a medium sized bowl, combine chopped apples and lemon juice.
In another bowl, combine brown sugar, cinnamon, nutmeg and cornstarch.
Add dry ingredients to chopped apples and stir.
Add vanilla extract to mixture and stir until apples are thoroughly coated.
Pour mixture into greased baking pan and place cubes of butter over apples.
Cover with aluminum foil and bake for 35-40 minutes, or until apples are tender.
Remove pan from oven and stir. Serve warm and enjoy!