Brown hamburger with diced onion, drain and rinse with hot water in a colander to remove grease. Add taco seasoning mix, garlic, drained peas, and diced potatoes. Add water and can of enchilada sauce. Stir all ingredients together and let simmer while you prepare the casserole dish.
Spray a large cake pan with oil. Cover the bottom with tortilla shells. Spread 1/2 the hamburger mixture, top with as much cheese as you want. Add a layer of tortilla shells on top, the remaining hamburger mixture, and top with cheese.
Bake at 350F for about 45 minutes.
Submitted by: Debie Bechtold