White Castle and Zucchini Casserole

10 White Castle hamburgers, with onions
3 small zucchini, cut into 1/4-inch strips
4 tablespoons flour
8 ounces meatless spaghetti sauce
8 ounces ricotta cheese
1 egg, beaten with ricotta cheese
Grated Parmesan cheese

Remove hamburgers and onions from the buns. Spread garlic butter on all the buns. Set aside.

Place zucchini slices in bottom of a greased 8-inch square baking dish. Sprinkle with flour. Top with White Castle hamburgers and onions. Add spaghetti sauce. Spread mixture of ricotta cheese and beaten egg over sauce. Sprinkle with Parmesan cheese. Bake uncovered at 350 degrees F for 30 minutes. (If microwaving, use microwave-safe dish and cook on HIGH for 10 minutes).

Let stand for 10 minutes. Broil buns open-faced until toasted. Cut casserole into 5-6 servings. Spoon casserole onto top of buns.