Prepare a pizza crust or use a ready made crust.
Add pizza sauce and shredded cheese.
Slice kielbasa.
Top pizza with kielbasa slices.
Prepare tomatoes, onion, and mushrooms by slicing to desired thickness.
Top with tomatoes, mushrooms, and banana peppers.
Top with another layer of shredded cheese.
Place in a 500 degree smoker for 15 minutes. For a softer crust, use pizza pan such as the Rada Baking Stone. For crispier crust, place directly on the rack.