01 - Preheat your oven to 475°F. If using a pizza stone, place it in the oven as it heats.
02 - On a lightly floured surface, stretch or roll the pizza dough into a 12-inch round. Transfer to a parchment-lined baking sheet or a pizza peel dusted with cornmeal.
03 - Brush the dough lightly with olive oil. Spread 1/2 cup BBQ sauce evenly over the base, leaving a small border for the crust.
04 - In a bowl, toss the cooked chicken with 2 tablespoons BBQ sauce until coated.
05 - Sprinkle half of the mozzarella over the BBQ sauce, then evenly distribute the BBQ chicken, red onion slices, and bell pepper.
06 - Top with remaining mozzarella and the smoked Gouda or cheddar.
07 - Transfer the pizza to the hot oven or onto the preheated pizza stone. Bake for 12–15 minutes, until the crust is golden and the cheese is bubbling.
08 - Remove from the oven. Let cool for 2 minutes, then drizzle with extra BBQ sauce and sprinkle with fresh cilantro if desired. Slice and serve hot.