1. Preheat oven to 350 degrees.
2. Brown ground beef in skillet; drain. Add taco seasoning mix and water according to package directions. (My mix uses 1/4 cup water, simmer 10 minutes.).
3. Add 2 Tablespoons zesty cheese sauce; mix well.
4. Lay 1 tortilla in pie pan; spoon 1/3 beef mixture on top. Repeat layers, ending with a tortilla. Spread remaining cheese sauce over top.
5. Bake in oven 20 minutes or till heated thoroughly.
6. OPTIONAL: Garnish with shredded lettuce, chopped tomatoes, avocadoes, guacamole, salsa, sour cream.