Open Beef Burgers

Directions

1. 1
   Combine mince, breadcrumbs, egg and 2 tablespoons of the pesto in a large bowl and then shape mix into 4 patties.
2. 2
   Heat half the oil in a large frying pan over moderate heat and cook patties for 3 to 4 minutes each side or until browned and cooked through and then remove from the pan and place on a abing tray.
3. 3
   Add remaining oil to the pan and cook and stir onion for 2 to 3 minutes or until golden and remove from the heat.
4. 4
   Preheat an oven grill to moderately high and cook focaccia under the grill until golden.
5. 5
   Sprinkle the patties with cheese and cook patties under the grill until cheese bubbles and is melted.
6. 6
   Whisk mayonnaise and remaining pesto.
7. 7
   Place one piece of focaccia on each serving plate and spread each focaccia with half the pestor mayonnaise and then top with spinach, tomato, onion and patties and then top with the remaining pesto mayonnaise.
8. 8
   Serve burgers with wedges, chips/fries or hash browns.