Mix mustard, 1 tablespoon of oil and honey. Wash the meat, dab dry and coat with the marinade. Cover meat well and marinate in the refrigerator, preferably overnight. Clean and wash the peppers, cut them in half crosswise and cut them into slices. Wash and clean the zucchini and cut into slices of about 1 cm thick. Wash the rosemary, shake dry and pluck the needles from the stalks, except for something to garnish. Sprinkle 1 tablespoon of oil on prepared vegetables and season with salt, pepper and rosemary.
Place the vegetables in a grill tray, cover with aluminium foil. Cook on the grill for 10-15 minutes. Turn over in between. Put meat in a 2nd grill tray and grill for 10-15 minutes. Turn once in between. Arrange vegetables and meat and garnish with rosemary
Waiting time approx. 12 hours