Wash the meat and dry with paper towel.

Prepare the marinade. In a bowl mix soy sauce, honey, mustard, dried barberry, lemon juice and herbes de Provence

Coat steak on all sides with marinade. Wrap steak in plastic bag and leave to marinate overnight.

Prepare the sauce. Plums, grind in a blender. In a saucepan put mashed plums, grated ginger, cinnamon, lemon juice, salt. Put the saucepan on the stove.

Add plums, brown sugar Mistral. Cook the sauce over medium heat, stirring constantly 10 minutes or until thick sauce. At the end, add pressed or finely chopped garlic. Boil with garlic for another 1-2 minutes. Remove from the heat. Sauce to cool and strain through a sieve.

Pre-heat the oven to 180 degrees. Steak fry on the pan on two sides to the blush. Cover the sheet with parchment paper and place the steak. Bake in the oven for 15 - 20 minutes. Switch off the oven and let rest steak for 5 minutes. Take out the steak from the oven and immediately served to the table basting liberally with sauce. Decorate as desired. Bon appétit!!!