Fillets bake a BBQ and putting aside. Broccoli boil ten minutes in salted water and wring them. In the heated pan put the butter and when melted add ten peppercorns for about 2 minutes on slow fire. Add chopped onions and cucumbers and onions when soft add the cream, boil over low heat about 5 minutes to not thicken much, constantly stirring. Pour over fillets already prepared sauce and topped with broccoli.