Assemble kabobs: Skewer chicken, onion slices, and peppers, in that order, repeating 4-5 times depending on the length of the skewers.
Preheat grill on HIGH 10 min.
Season kabobs with salt and pepper, or marinade in our 2026 Vinaigrette overnight.
Place kabobs on the grill; sear about 2 min, until they have changed color one-quarter of the way around.
Sear 2-3 min, turning kabobs until evenly seared. Reduce the heat to medium and close the cover.
Cook for 8-10 min, until the internal temperature reaches 165 degrees (check with a thermometer inserted halfway into the thickest part of the chicken).
During the last few minutes of cook time, baste kabobs evenly with BBQ sauce. Transfer to a clean platter.