Pre-heat grill to medium-hot temperature. (Charcoal preferred, but gas grill will work.)
Cut all vegetables into 1/2″ slices; keep mushrooms whole.
Arrange on metal skewers in order; cap each end with mushrooms.
Brush skewers with olive oil. Then, season with BBQ Dry Rub.
Grill over medium hot grill.
Char on both sides, and brush again with olive oil and seasoning.
Optional: Drizzle on Boo and Henry’s Sweet Mustard BBQ Sauce or Boo and Henry’s Smokin’ Mild BBQ Sauce just before serving.
Set out BBQ sauces for extra dipping, and serve as a side dish with your favorite protein, or as a healthy entree alternative.