4 brioche burger buns
500g Beef Mince
2 tbsp dried oregano
1 tsp salt
½ tsp ground black pepper
1 tbsp garlic powder
2 tbsp olive oil
1 cup tzatziki
1 cup baby spinach leaves
2 tomatoes, thinly sliced
100g block of feta cheese, chopped
1 red onion, thinly sliced