1. Preheat oven to 350 degrees 2. In a small bowl combine beef, 1/2 c. sour cream, 1 1/2 tsp taco seasonings, half of the cream of mushroom soup, 1 c. cheese, onion, salsa and olives. 3. Place 1/3 c. filling in each tortilla. Roll up and place seem side down in a greased 9x13" in baking dish. 4. Combine remaining sour cream, taco seasoning and soup. Pour over tortillas. Cover and bake for 30 minutes or until heated through. Sprinkle with remaining cheese. 5. Serve with shredded lettuce and tomatoes. Top with additional salsa if desired.