Meanwhile, heat butter and 2 teaspoon of the remaining oil in a heavy-based frying pan on medium-high heat. Add bacon and stir for 3 minutes or until golden. Add onion, capsicum, celery and remaining oil and stir for 5 minutes or until soft. Add garlic, bay leaves, paprika, oregano, thyme leaves and cayenne pepper and stir for 1-2 minutes or until aromatic.