In a skillet, cook ground beef, onion and garlic until thoroughly cooked. Drain. place meat mixture in crock pot. Add taco seasoning, cheddar soup, tomatoes, milk and shredded cheese. Stir together and cook on low for 3 to 4 hours.
Top servings with crushed tortilla chip, shredded Cheese, and any other topping you wish. Sour cream makes this!