Chicken and Sage Filling

• 125 g skinless boneless chicken breast
• 1 small onion
• 2 garlic cloves

Cut the chicken into pieces. Peel the onion and garlic; cut the onion into quarters. Place in a food processor fitted with the metal blade. Process until roughly chopped, then add the remaining ingredients and process again until finely chopped. Transfer to a bowl, cover and refrigerate until required.