Enchiladas Casserole

Yield:	1 Servings
Categories:

1	pk	(9 oz) frozen corn tortillas or 12 fresh
1 1/4	lb	Ground beef
2		Env seasoning mix for chili, or own seasoning *
2	c	Water
1	cn	(1 lb 12 oz) tomatoes puree
1/2	c	Salad oil
8	oz	Cheddar cheese, grated
1 1/2	c	Onions, chopped