In a skillet, brown ground beef and onion until beef is browned and onion is tender. Drain. Add taco seasoning. Follow package directions to add water and simmer. Meanwhile crush 3/4 of the tortilla chips sprinkled over the bottom of a 13 x 9 x 2 inch baking dish. Top with beef mixture. Spread with soup. Sprinkle with tomato and cheese. Bake uncovered at 350F for 20 minutes. Sprinkle with lettuce.
Casseroles - Quiches
Cajun Country -- New Iberia, Louisiana