Cathy'S Microwave Meatloaf
["2 lbs. ground round", "1 sm. jar Prego with mushrooms (reserve 1/2 c)", "16 saltine crackers, crushed", "2 eggs", "1 small onion, finely chopped", "3/4 tsp. Italian seasoning*", "1/2 tsp. garlic salt*", "1/2 tsp. salt*", "1/2 tsp. pepper*", "2/3 c. cheddar cheese, shredded**", "2/3 c. mozzarella cheese, shredded**"]
["*Spices are to taste."]
["ground round", "mushrooms", "crackers", "eggs", "onion", "Italian seasoning", "garlic salt", "salt", "pepper", "cheddar cheese", "mozzarella cheese"]