STEP 1
Preheat the oven according to the directions on the package of the puff pastry patties. Bake the patties just before serving.
STEP 2
Melt the butter in a large-area casserole over medium heat. Add the onion and sauté until glazy and the edges are golden brown.
STEP 3
Add the mushrooms and brown them over high heat for a few minutes. Add the garlic and parsley and stir for a minute. Season with salt and pepper.
STEP 4
Deglaze with the broth, lower the heat and add the Pa'lais Cuisine - Bechamel, along with the bay leaf. Season with pepper, salt and nutmeg. Put the lid on the pot and simmer over low heat.
STEP 5
Fry the fillet pieces in some cooking butter in a separate pan. Meanwhile, roll small balls of the minced meat that you first season with salt and pepper.
STEP 6
Add the fillet pieces to the sauce and fry the meatballs in the same pan until evenly browned. Add them to the sauce.
STEP 7
Taste the sauce and finish with a dash of sherry, some lemon juice and chopped parsley.
STEP 8
Serve with the puff pastry patties, fries or mashed potatoes and a fresh salad.