Puff Pancakes

#from-old-recipes
Oven: 425F

[only non-apple] (only apple)
Ingredients:
6 eggs
[1] (1 1/2) c. milk
1 c. flour
[1/2 c.] (3 tbsp) granulated sugar
1 tsp vanilla extract
1/2 tsp salt
(1/4 tsp cinnamon)
1/4 lb butter
(2 apples, peeled/thinly sliced)
(2-3 tbsp brown sugar)
[1/4 c. orange-liquor/orange juice]

Mix eggs, milk, flour, granulated sugar, vanilla, salt, [liquor] and (cinnamon)

Melt butter over 13x9" baking dish in oven. (Add apple slices to baking dish), return to oven until butter sizzles, do not let brown. Remove pan from oven, (pour batter over apples, sprinkle with brown sugar). Bake until puffed and brown.