Grouper &Amp; Horseradish Sauce

1 ea Small green pepper, sliced

1/4 t Pepper

1/3 c Catalina dressing

1/4 t Hot sauce

1 lb Grouper

4 ea Onion slices, thin

2 T Prepared horseradish

1 T Lemon juice

Place bell pepper in a 9-inch pie plate, cover w/ plastic wrap & vent, microwave @ high 2 minutes, remove & set aside. Wipe pie plate. Quarter fish, arrange in pie plate, sprinkle with pepper; top with bell pepper and onion. Microwave, uncovered, @ high 7-8 minutes until fish flakes easily. Drain & cover. Combine salad dressing and next three ingredients in 1-cup glass measure; stir. Microwave @ high for 1 minute. Serve sauce with fish and garnish with lemon wedges.