Pumpkin Stuffed with Spiced Turkey and Cashew Nuts

• 375g (12oz) skinless turkey breast fillets
• 4 tablespoons olive oil

Set the oven to preheat at Gas Mark 4/180°C/350°F. Cut the turkey breasts into small pieces. Put two tablespoons of the olive oil and all the butter in a large sauté pan over a medium heat. Add the onion to the sauté pan and stir until soft; then stir in the mace, the paprika and dill