Beef tartare patties with fresh chive sauce

• Oesterzwammen 150 g
• AH Peterselie 15 g
• AH Broccoli 600 g
• AH Rundertartaar 400 g
• Margarine 45 g
• 1 de Beste Aardappelpuree a la minute 3 st. 114 g
• restaurant Saus 280 g

1. Clean the oyster mushrooms and slice them into strips. Finely chop the parsley. 2. Cut the broccoli into florets and dice the stems. Boil the broccoli until al dente, about 8 minutes. 3. Season the beef patties with salt and pepper. 4. Heat butter in a frying pan and cook the patties for about 6 minutes until browned and cooked through. 5. Bring 500 ml of water to a boil for the mash. Remove from heat and stir in the powder. 6. Remove the patties from the pan and keep them warm. 7. Sauté the oyster mushrooms in the remaining fat for 3 minutes. 8. Heat the sauce according to the package instructions. 9. Stir the parsley into the mashed potatoes. 10. Arrange the patties on four plates and divide the mushrooms, sauce, broccoli, and mash among them.