Greek Bifteki (Burger) with Feta cheese - My Greek Dish

Ingredients

• 500g minced beef or a combination of beef/lamb/pork (18 ounces)
• 1 small ripe tomato, grated
• 1 red onion, grated
• 1 clove of garlic, minced
• 2/3 cup breadcrumbs
• 1 egg
• 2 tbsp parsley, chopped
• 1 tsp oregano
• 1 tbsp olive oil
• 1 tbsp red wine vinegar
• 1-2 tsps salt
• 1 tsp freshly ground pepper
• 1 tomato, sliced for topping
• 100g feta cheese for topping (3-4 ounces)