Nibblous | spinach and pine kernel stuffing

Ingredients

• 1 tbsp vegetable oil
• 1 medium onion, peeled and chopped
• 2-4 garlic cloves, peeled and crushed
• 1 carrot, (about 100g) peeled and grated
• 2 celery sticks, trimmed and chopped
• 225g finely shredded fresh spinach, or 100g frozen, thawed and drained
• 75g pine kernels
• grated rind and juice of 1 unwaxed lemon
• 175g fresh white breadcrumbs
• 1 medium egg, beaten