Lamb Burgers with Whipped Feta & Mint

Ingredients

• 500g good quality minced lamb (20% fat works well)
• 1 large garlic clove, minced
• ½ red onion, finely chopped or grated
• ½ tsp ground cumin
• ½ tsp of chilli flakes
• 2 tsp fresh oregano leaves (or 1 tsp dried)
• 1 tbsp finely chopped parsley
• zest of ½ large lemon
• sea salt
• freshly ground black pepper
• 200g feta
• 3 tbsp thick Greek yoghurt
• 2 tsp extra-virgin olive oil
• 2 tbsp chopped mint
• 4 Greek pitta or burger buns
• handful of salad leaves (I used baby spinach leaves)
• 2 large vine tomatoes, thinly sliced
• ½ red onion, thinly sliced
• ¼ cucumber, thinly sliced