Beef and Bean Taco Casserole

1 pound ground beef
1 can refried beans
1 jar salsa
1 package taco seasoning
2 1/2 cups broken tortilla chips
1/2 medium green bell pepper chopped
4 medium green onions sliced
2 medium tomatoes chopped
1 cup shredded mexican cheese
1/4 cup sliced ripe olives
1 cup shredded lettuce

1. Heat oven to 350. In 12 inch skillet, cook beef over medium high heat 5-7 minutes or until thoroughly cooked and drain. Stir in refried beans, salsa and taco seasonings. Reduce heat to medium. Heat to boiling, stirring occasionally.
2. In ungreased 2 quart casserole place 2 cups of the tortilla chips. Top evenly with beef mixture. Sprinkle with bell pepper, onion, cheese and olives.
3. Bake uncovered 320-30 minutes or until hot and bubble and cheese is melted. Top baked casserole with lettuce, tomato and remaining 1/2 cup of chips.