Taco Bake

1 lb ground beef
2 c salsa
1 16oz can chili beans, drained
1 can corn, drained
3 c crushed tortilla chips
2 c sour cream
1 (2oz) can sliced black olives
1/2 c chopped green onion
1/2 c chopped fresh tomato
2 c shredded cheddar cheese

Preheat oven to 350 degrees. In a large skillet over medium-high heat, cook ground beef until no longer pink. Stir in salsa, reduce heat, and simmer 20 minutes, or until liquid is absorbed. Stir in beans and corn, and heat through.
Spray a 9x13 baking dish with cooking spray. Spread crushed chips in dish, and then spoon beef mixture over chips. Spread sour cream over beef, and spinkle olives, green onion, and tomatoes over the sour cream. Top with cheddar cheese. Bake for 30 minutes or until hot and bubbly.