Combine the barbecue sauce and tomato in a small bowl. Stretch the pizza dough to 10 by 14 inches on the parchment; spread the barbecue sauce mixture on top. Sprinkle with the pepper jack and muenster cheese and top with the grilled pineapple, ham and scallion whites and greens.
04Slide the pizza (on the parchment) onto the hot baking sheet or pizza stone. Bake until the cheese is bubbling and the crust is golden, about 15 minutes. Transfer the pizza to a cutting board and slice.