24 large mushroom caps, cleaned
1/3 cup butter, melted
1 (6 oz.) pkg. frozen snow crabmeat, thawed or 1 can snow crabmeat
3 tbsp. mayonnaise
2 tbsp. minced green onions
1 tbsp. horseradish
1/4 cup dry bread crumbs
1 tbsp. minced parsley
1/4 cup grated Parmesan cheese

Preheat oven to 375°F. Adjust rack to upper third. Brush mushrooms with melted butter. Place on ungreased baking sheet. Drain crabmeat, discard liquid and set meat aside.

In a medium bowl, stir together mayonnaise and horseradish. Add bread crumbs, cheese, green onion and parsley. Stir until well mixed. Add crabmeat and toss with a fork.

Mound 1 level tablespoon of the mixture into each mushroom. Bake for 5 minutes or until warm, then broil 4-inches from heat for about 1 minute or until light golden brown. Serve immediately.