Meat & Bean Tostadas

2 pounds ground beef
1 large Vidalia onion, chopped and divided in 1/2
1 can Rotel original tomatoes
1 small can chopped green chiles
1 recipe Taco seasoning
1 batch Refried beans
grated cheddar cheese
1 tomato, chopped
chopped olives
taco sauce
sour cream

• Brown ground beef with 1/2 of the chopped onion.
• Drain off fat.
• Add Rotel tomatoes, green chiles and Taco seasoning. Simmer over low heat for about 15 minutes until liquid is absorbed.
• Layer tostada shells with a layer of Refried beans, a little cheese, meat, tomatoes, olives and a little more cheese.
• Bake 10 minutes until heated through.
• Top with taco sauce and sour cream.
• Enjoy.