Barbecue Chicken Pizza Recipe [Gluten-Free]

Ingredients

• 2 free-range chicken breasts, cut into bite-sized chunks
• 1 large gluten-free flatbread
• 1 can pureed tomatoes
• 1 cup packed brown sugar
• 1 cup apple cider vinegar
• 1/2 tsp salt, plus more to taste if desired
• 1 orange, zested and juiced
• 1 onion, finely minced
• 2 cloves garlic, minced
• 1 tsp oregano
• 1 tsp ground black pepper
• 1/2 tsp red pepper flakes
• 1 tsp cumin
• 1 tsp chili powder
• 1/2 red onion, thinly sliced
• 1 mango, peeled and chopped
• 1 red pepper, sliced
• 1 cup mushrooms, sliced
• 1 avocado, thinly sliced
• 1/2 cup soy mozzarella, shredded
• 1/4 cup fresh cilantro, chopped (optional)