Microwave Meat Loaf
["1 1/2 lb. ground beef", "1 egg, slightly beaten", "1 c. bread crumbs", "2/3 c. milk", "1 small onion, chopped", "1 (2 1/2 oz.) jar sliced mushrooms", "1 Tbsp. Worcestershire sauce", "1 tsp. salt", "1/4 tsp. pepper", "1/4 c. ketchup"]
["Mix together all ingredients except ketchup.", "Shape into a loaf in a 9 x 5 x 3-inch loaf dish.", "Spread ketchup over top. Cover; microwave on medium-high for 22 to 24 minutes or until no longer pink.", "Allow to stand, covered, for 5 minutes, before serving."]
["ground beef", "egg", "bread crumbs", "milk", "onion", "mushrooms", "Worcestershire sauce", "salt", "pepper", "ketchup"]