German Pancakes

1/4 cup butter
1 1/4 tsp vanilla
1 cup milk
6 eggs beaten
1/4 tsp cinnamon
1/8 tsp salt
1 cup flour
maple syrup or powdered sugar for topping

Preheat oven to 350 degrees. Melt butter in a medium (9X13) baking dish. Mix all ingredients in a bowl and pour over the mixture into the baking dish with butter. Bake 30-40 minutes, until pancake is puffy and golden brown. Cut into squares and serve maple syrup or powdered sugar.