2
Cut kielbasa into 1 inch pieces.
3
Cut the onion into pieces approximately 1 1/2 inch square. Set aside 24 pieces for the kebabs and reserve any extra onion for another use.
4
Cut the bottom and top off of each pepper and clean out and discard the seeds. Cut each pepper into 8 rectangular pieces.
5
Thread the vegetables and kielbasa onto 4 12-inch skewers, inserting peppers, onions, and tomatoes between pieces of kielbasa. Lightly brush with olive oil.
6
Reduce the grill heat to low and grill kebabs for 5 minutes per side to soften the vegetables and heat the kielbasa through. Garnish with chopped parsley before serving if desired.