Recipe(tried): German Apple Pancake

I have made this recipe for years. It is very easy and very good!

APPLE PANCAKE

FOR THE APPLE MIXTURE:
2 green apples, peeled, cored, and sliced
4 tablespoons butter
FOR THE PANCAKE BATTER:
3 eggs
1/2 cup milk
1/2 cup flour
FOR THE TOPPING:
1/2 cup sugar
2 tablespoons cinnamon
1/4 pound butter (1 cube/stick)
Lemon (optional)

Preheat oven to 500 degrees F.

TO PREPARE THE APPLE MIXTURE:
In a 10 or 12 inch oven proof skillet saute peeled, cored and sliced apples in 4 tablespoon butter until soft.

TO MAKE THE PANCAKE BATTER:
Mix eggs, milk and flour together. Pour over apples.

Bake at 500 degrees until it puffs up and browns around the edges, approximately 10 minutes.

TO MAKE THE TOPPING:
Mix sugar and cinnamon together. Set aside.

Melt 1/4 pound butter and pour over baked pancake. Sprinkle with cinnamon sugar mixture.

Return to oven for 5 minutes or until sugar melts.

Squeeze lemon over top before serving, if desired.