Beef and Red Onion Tarts with Watercress Pesto | Recipe | Simply Beef & Lamb

Ingredients

• 375g lean beef mince
• 1 x 500g pack prepared short crust pastry
• 1 small red onion, peeled and finely chopped
• 50g fresh peas
• 5 large eggs, beaten
• 75g watercress leaves, rinsed
• 1 garlic clove, peeled and finely chopped
• 75g mature grated hard cheese, e.g Cheddar
• 50g walnut halves, roughly chopped
• 6 tablespoons extra virgin rapeseed or olive oil
• Salad leaves, to garnish