Step 1 – Melt a tablespoon of butter in a pan. Sweat the onion and garlic, pepper and bay leaf.
Step 2 – Add the flour and mix with a wooden spoon without letting it take on color. Add the cold broth and stir vigorously using a beater. Cook for 5 minutes over low heat. Season with salt and set aside.
Step 3 – In a separate pan, sauté the shrimp in 1/2 tbsp of butter. Add the seafood and sauce. Add the cream and cook until you reach the desired consistency.
Step 4 – Finally, add the rest of the cold butter and mix until fully blended.
Step 5 – Correct the salt and sprinkle with a small amount of chopped parsley.
Step 6 – This sauce is traditionally served with grilled sea bass. May be served with rice.