Tostadas....kitchen of Bev

1 lb. ground beef, browned
2 cans refried beans
1 envelope dry taco seasoning mix
8 oz. can tomato sauce
1/2 cup water
10 tostada shells
1 1/2 cups shredded lettuce
2 tomatoes, diced
1/2 lb shredded cheddar cheese
1 can sliced black olives
1 pint sour creamguacamolesalsa

1. Combine ground beef, refried beans, taco seasoning mix, tomato sauce, and water in slow cooker.
2. Cover. Cook on low 6 hours
3. Crisp tostada shells
4. Spread hot mixture on tostada shells. Top with remaining ingredients source: Fix It adn Forget It.