Preheat oven to 250°C / 230°C fan-forced.Heat butter and oil in a deep frying pan over medium heat. Add onion and garlic and cook for 5 minutes or until softened. Add torn pieces of sausage and cook for another 5 minutes until sausage meat is lightly browned. Add capsicum, paprika and continue cooking for 3 minutes. Set aside to cool completely, then stir through parsley.Spread pizza base with tomato paste, drizzle with chilli oil and sprinkle over Perfect Pizza cheese to evenly cover the base followed by the sausage mixture.Place pizza in the oven for 10-15 minutes until the cheese is melted and base is crispy, remove from oven then cut and serve.