Mexican Dinner Salad

Ingredients

 * 4 Mission? Tostadas
 * 1 lb. lean Ground Beef
 * 1 large Onion chopped
 * 14 1/2 oz. can undrained tomatoes chopped
 * 1 1/4 oz. pkg. taco seasoning Mix
 * 3/4 cup water
 * 1 can rinsed pinto beans drained
 * Shredded lettuce
 * 8 oz. pkg. Velveeta Pasteurized Prepared Cheese cut up black olives
 * sour cream

Directions

 * Cook Beef and Onion in a large skillet, stirring until Beef crumbles and is no longer pink.
 * Drain.
 * Stir in 1 can chopped tomatoes, seasoning mix, and 3/4 cup water; cook over medium heat 10 minutes or until liquid evaporates.
 * Stir in pinto beans and Cheese; cook until Cheese melts.
 * Serve over shredded lettuce in tortilla salad shells with chopped tomatoes, sliced and sour cream toppings.