1 onion, finely chopped
1 c. celery, finely chopped
4 tbsp. chopped shallots
2 cloves garlic, mashed
1 stick butter
2 tbsp. flour
1/2 c. Rotel tomatoes (or whole can)
Salt
Pepper
Cayenne
1 tbsp. Worcestershire sauce
2 lbs. shrimp
Cornstarch
2 c. chicken stock