Ingredients
- For the burgers:
- 1 medium onion, chopped
- 2 tablespoons olive oil
- 1-2 garlic cloves, minced
- 1 teaspoon each fresh oregano and mint
- 3 tablespoons parsley, chopped
- 1 teaspoon lemon zest
- 1 ½ pounds ground beef
- 1 teaspoon paprika (use smoked paprika, if preferred)
- 1 teaspoon ground cumin
- 2 slices white bread, soaked in milk and squeezed out)
- 1 large egg, lightly beaten
- Sea salt and freshly ground pepper, to taste
- For the stuffing:
- 1/4 cup feta cheese, crumbled
- ½ teaspoon fresh oregano, finely chopped
- ¼ cup kalamata olives, chopped
- For the vegetables:
- 3 garlic cloves, crushed
- ½ teaspoon each dried thyme and oregano
- ¼ cup olive oil
- 2 large red onions, sliced into 1/3-inch thick rounds
- 2 red Anaheim peppers (optional)
- 3 Roma tomatoes, cut in half
Preparation
- In a food processor, combine onion, olive oil, garlic, oregano, mint, parsley and lemon zest and process until well blended together.
- Toss together feta, oregano and olives in a small bowl and set aside.
- Place ground beef in a large mixing bowl, add paprika, cumin, soaked bread and egg and mix thoroughly. Add the onion and herb mixture and mix well; season with salt and pepper and form the mixture into 6 flat patties, about ¼ -inch thick. Place a teaspoon of the feta mixture in the center of each patty; fold to enclose the filling and seal. Refrigerate until ready to cook.
- In a small bowl, whisk together oil, garlic and dried oregano and thyme and brush liberally the onion slices and tomato halves with the mixture.
- Preheat grill to about 500° F; oil the grids and place the onion slices, tomatoes and peppers; grill, occasionally brushing with the oil mixture until onions and tomatoes are tender and the peppers are slightly charred, about 4 minutes per side. Transfer to a platter, cover loosely with aluminium foil and set aside.
- Place patties on the grill and cook for about 6 minutes per side, turning once. Transfer to a platter and tent with foil to keep warm.
- Peel and seed the pepper and cut into strips.
- To serve, place a burger over an onion slice, and top with roasted pepper and tomato.