2 lbs. ground beef
1 pkg. taco mix
2 c. shredded Cheddar cheese
1 c. chopped onion
2 cans bean dip
1 c. shredded Mozzarella cheese

Brown meat, onions, and taco mix in skillet until meat is lightly brown and onions tender. Drain. Lightly oil a 7 x 11 inch baking dish. Layer the bean dip and ground beef mixture. Mix the cheeses and spread over the top. Bake at 350 degrees for 20 minutes or until bubbly. Serve with taco chips.