Wash mushrooms, pat dry, remove stems and set aside.

In a small bowl combine scallions and butter and microwave on high for 2 minutes.

Stir in crabmeat, parsley, horseradish, garlic and hot pepper sauce, stirring well.

Place half the mushrooms gill side up on a plate and fill each cap with crab mixture.

Microwave on high 3-4 minutes, turning plate once.

Remove mushrooms to a serving plate.

Repeat this process with the remaining mushrooms.

Let stand 2-3 minutes before serving.

Sprinkle with red pepper to garnish.