Layered Taco Pie

Name: Layered Taco Pie
Total time: 30 min
Yield: 4
Ingredients: 1 lb Ground beef; 1 Iceberg lettuce; 1 Tomatoes; 1 (16 oz) can Refried beans; 1 Black olives; 1 packet Taco seasoning; 6 8-inch flour tortillas; 2 cups Mexican cheese, grated; 1 Sour cream; 1/2 cup Water