Line unpricked pastry shell with a double thickness of heavy-duty foil.
Bake at 450° F for 5 minutes. Remove foil; bake 5 minutes longer. Reduce heat to 350° F.
In a skillet, saute the onion, green pepper, tomatoes, zucchini and mushrooms in butter. Add the curry powder, salt, pepper and cinnamon; mix well. Spoon into crust.
In a bowl, beat eggs. Add the milk and cheese; mix well. Carefully pour over vegetables. Bake for 40-45 minutes or until a knife inserted near the center comes out clean.
Let stand for 5 minutes before cutting.