Boil water in a pan. Add salt to the pan. Add pasta. Cook for 7 minutes. Strain your pasta. Put your pasta back in the pan. Add butter to the pasta. Stir well. Add milk. Add shredded cheddar jack cheese and stir. Add tomatoes and onion. Stir well. Add bacon and garlic salt. Stir until the cheese is melted. Crush up some pretzels and sprinkle of over the top.