02For the skewers: Alternating the vegetables and meat, thread 3 pieces each of sausage, zucchini and lemon, and 2 pieces each of fennel and bell pepper onto each skewer. Pour or brush the marinade over the skewers. Refrigerate for at least 1 hour until ready to grill.03Preheat a gas or charcoal grill. Oil the grill with vegetable oil. Grill the skewers, turning occasionally, until the sausage is cooked through, 15 to 20 minutes.04Arrange on a platter and serve.