BBQ chicken, tomato and avocado deep dish pizza - Astral Chicken

Ingredients

• 2 cups (500ml) flour
• 1 sachet of yeast
• A pinch of salt
• 1 cup (250ml) warm water
• 2 Tbsp (30ml) melted butter
• 3 x skinless chicken breasts, sliced
• salt and pepper
• 2 Tbsp (30ml) olive oil
• ½ cup (125ml) BBQ sauce
• A handful of fresh basil, chopped (plus extra for serving)
• 2 Tbsp (30ml) tomato paste
• ½ punnet of cocktail tomatoes
• 2 cups (500ml) grated mozzarella or cheddar cheese
• 1 avocado, sliced