Tunisian Vegetarian Brik - Another Pantry

Ingredients

• 4 sheets Brik pastry
• 1 medium size onion finely chopped
• 1 small leek finely chopped
• 450g Maris Piper or King Edward potatoes
• 3 tbsp chopped flat parsley
• 1 tbsp chopped fresh coriander
• 4 medium size eggs
• 1 tbps drained capers
• 1 tsp harissa or chilli flakes
• ½ tsp roughly pounded cumin
• ½ tsp turmeric
• ½ lemon juiced + lemon wedges to serve
• 1 tbsp freshly grated Emmental or Gruyère
• 1 tbsp olive oil
• Vegetable oil for shallow frying