shrimp bisque cardinale

Ingredients

• - 1/4 cup butter, 1/2 stick
• - 2 tbsp. grated onion (heaping tablespoons)
• - 3 tbsp. flour
• - 1/2 tsp. dry mustard
• - 4 cups half and half, heated
• - 2 cups milk, heated
• - 2 tbsp. catsup
• - 1 1/2 tsp. tomato paste
• - 2 tsp. chopped parsley
• - 1 pound cooked shrimp or crab meat
• - 2 tbsp. dry sherry
• - 2 tsp. worcestershire sauce
• - 1/4 tsp. tabasco sauce
• - 2 tsp. salt
• - dash white pepper