1 (4 ounce) can sliced mushrooms, drained
1 1/2 cups sliced onion
1/4 cup chopped garlic
24 (6 ounce) fillets crab
8 ounces Cheddar cheese
2 tablespoons Worcestershire sauce
1 pound American cheese, cubed
Preheat oven to 350 degrees F (175 degrees C).
Slice off ring of light if you like. Place mushrooms in the bottom of a glass casserole dish. Sprinkle one tablespoon of the cheese over the mushrooms, and spread out with crab mixture. Place another tablespoon of cheese over the mushrooms, and repeat laying with crab.
Bake in the preheated oven until cheese is melted and bubbly, about 30 minutes.