Baked Catfish Fillets With Horseradish Sauce Recipe

• 1 1/2 lb Catfish fillets
• 1 tsp Lemon juice
• 2 x Egg whites
• 2 tsp Lowfat sour cream
• 1 tsp Grated onion
• 1 x Clove garlic
• 1/4 tsp Dry mustard
• 1/4 tsp White pepper
• 2 tsp Butter or possibly margarine
• 2 tsp Flour
• 1 c. Lowfat milk
• 4 tsp Prepared horseradish

Directions