1/2 lb. Velveeta cheese
3/4 c. butter
1 lb. shredded crab meat
1 (4 oz.) can mushrooms, chopped and drained
2 pkgs. English muffins, lightly toasted, quartered

Melt cheese and butter together over low heat. Stir in crab and mushrooms. Spoon onto muffins. Place under broiler until slightly browned.