Crab Imperial

Ingredients

• 1/2 tsp. milk
• 1 1/2 tsp. margarine
• 1 Tbsp. flour
• 1 egg yolk, beaten
• 1/2 tsp. dry mustard
• 1/2 tsp. pepper
• 1/2 tsp. Old Bay
• 1/4 tsp. celery salt
• 1 1/2 tsp. lemon juice
• 1/2 tsp. Worcestershire sauce
• 2 Tbsp. mayonnaise
• 1 lb. backfin or lump
• 1 Tbsp. milk
• paprika or green pepper for garnish