BBC Food - Recipes - Minted lamb pasties

Ingredients

• 75g/2½oz salted butter , chilled and cut into 1cm/½in cubes
• 75g/2½oz lard , chilled and cut into 1cm/½in cubes
• 200g/7oz plain flour , sifted, plus extra for dusting
• ½ tsp salt
• 1 tsp lemon juice
• 1 large free-range egg , beaten, for egg wash
• bunch of fresh mint , leaves picked
• pinch table salt
• 1 tbsp caster sugar
• 50ml/2fl oz white wine vinegar
• 100g/3½oz lamb leg steak, diced into 1.5cm/⅝in cubes
• 1 garlic clove, crushed
• ½ tsp dried rosemary
• salt and freshly ground black pepper
• ½ large red onion , finely chopped
• ½ large sweet potato , chopped into small cubes
• 1 medium carrot , chopped into small cubes
• ½ bunch fresh flatleaf parsley , leaves picked and chopped
• ½ tsp dried oregano
• 50g/2oz frozen peas , defrosted