Shrimp Newburg Iii - cooking recipe

Ingredients

2 tablespoons butter
2 tablespoons flour
1 cup milk
2 lbs raw shrimp
2 pimientos (and 1 can liquid)
1 egg
1/2 cup cream
1 small onion
1/4 teaspoon salt
1/4 teaspoon pepper
2 tablespoons Lea & Perrins Worcestershire Sauce
2 beef bouillon cubes
1/2 teaspoon dry mustard
onion tops
Tabasco sauce
1/4 cup hot water

Preparation

Make white sauce by melting butter, add flour and cook until it bubbles, add onions, simmer a minute.
Add hot milk and cook until sauce thickens.
Add peeled raw shrimp, pimentos and liquid from one whole can, 2 tablespoons Lea & perrins sauce and beef bouillon cubes disolved in hot water, dry mustard, chopped onion tops, dash of tabasco sauce.
Before removing from fire, add beaten egg and cream.
Mushrooms optional.