Sauce Nantua

Ingredients

• 3 tablespoons butter
• 1/4 pound shrimp, unpeeled (see note)
• 1 tablespoon Cognac
• 2 teaspoons finely chopped shallots
• 6 tablespoons finely chopped onion
• 6 tablespoons finely chopped carrots
• 1/4 cup finely chopped celery
• 1/2 teaspoon finely minced garlic
• 1/2 bay leaf
• 2 sprigs fresh thyme or 1/4 teaspoon dried
• 1/2 cup dry white wine
• 1/2 cup fish broth or bottled clam juice
• 2 sprigs fresh parsley
• 1/4 cup tomato puree
• 1/2 cup cored, coarsely chopped fresh tomatoes
• 18 teaspoon cayenne pepper
• Salt to taste if desired
• Freshly ground pepper to taste
• 1/2 cup fish veloute (see recipe)
• 1/4 cup heavy cream