1.Place pizza bases on oven trays and sprinkle with cheese. Spoon baked beans over cheese on pizza bases. Bake in a 200°C preheated oven for 20 minutes or until pizza bases are crisp and topping lightly browned.
2.Meanwhile, combine capsicum and onion in a bowl and mash avocado in a separate bowl until smooth.
3.Serve pizzas topped with dollops of mashed avocado and sprinkled with capsicum and onion mixture.