Chicken and Chorizo Pie from The Tinned Tomatoes Cookbook: 100 everyday recipes using the most versa

Ingredients

• 1 tablespoon olive oil
• 6 boneless, skinless chicken thighs, chopped into bite-sized pieces
• 1 onion, finely chopped
• 1 carrot, finely chopped
• 1 celery stick, finely chopped
• 200 g (7 oz) cooking chorizo, chopped
• 2 garlic cloves, crushed or chopped
• 2 teaspoons smoked paprika
• 3 thyme sprigs or 2 teaspoons dried mixed herbs
• 1 × 400-g (14-oz) tin chopped tomatoes
• 200 ml (7 fl oz) chicken stock
• 1 × 320-g (11-oz) packet ready-rolled puff pastry
• 1 egg, beaten, to glaze
• Salt
• freshly ground black pepper