Enchilada Casserole

Ingredients

• 1 to 2 lb. ground beef
• 1 medium onion
• 1/2 c. green pepper
• 1/2 c. chopped celery
• 1 can cream of mushroom soup
• 1 can chicken soup
• 1 can mild enchilada sauce
• 3/4 c. milk
• salt and pepper
• other spices (if desirable)
• 1 pkg. flour tortillas
• grated cheese