Preheat oven to 350 degrees F.
Brown ground beef, onion and garlic in skillet.
Once browned, add green chilies and taco seasoning and mix well.
In medium mixing bowl combine salsa and diced tomatoes.
In a 9x13 baking dish, spread a thin layer of the salsa/tomato mix on bottom.
Top with 6 corn tortillas spread out to cover the pan.
Top tortillas with refried beans and a layer of ground beef mixture.
Do a second later of corn tortillas topped with refried beans and ground beef mixture.
Spread remaining salsa mixture over top of the second layer and spread evenly.
Top with shredded cheese.
Bake for 30 minutes at 350.
Remove from oven and top with green pepper and black olives.
Cook for 5 more minutes.
Remove from oven and enjoy!