Ingredients

  • 4 slices crusty bread, cut from a wide round loaf (1-inch thick slices)
  • extra virgin olive oil
  • 1 garlic clove, peeled and smashed
  • 3 (8 ounce) tuna steaks, cut into large chunks
  • 3 sprigs fresh rosemary, leaves stripped and finely chopped (a couple of tablespoons)
  • 1 tablespoon McCormick's Montreal Brand steak seasoning
  • 1 navel orange (2 teaspoons of the zest reserved, then peeled and thinly sliced crosswise)
  • 1 teaspoon Worcestershire sauce
  • 2 teaspoons aged balsamic vinegar
  • 4 slices red onions (thick slicees)
  • 8 slices Fontina cheese (thin slices)
  • 2 cups shredded radicchio or 2 cups arugula or 2 cups Baby Spinach
  • salt
  • pepper

Method

  • Preheat a grill pan or grill to medium-high heat.
  • Drizzle the bread with olive oil; grill bread until toasted (1-2 minutes on each side); rub the garlic all over the bread.
  • Add the tuna to the container of a food processor; pulse until tuna is ground.
  • Transfer tuna to a bowl; add in the rosemary, steak seasoning, orange zest, Worcestershire sauce, vinegar, and a liberal drizzle of extra-virgin olive oil; mix to combine.
  • Brush the onion slices with olive oil and grill them 3-4 minutes on each side or until tender.
  • While the onions are cooking, get the burgers ready to go on the grill by forming 4 large patties.
  • Grill the patties with the lid down for 2 minutes on each side for rare and up to 5 minutes on each side for well-done.
  • A minute before taking the burgers off the grill, top with an onion slice and two slices of cheese.
  • Place the grilled bread on a platter; top with the orange slices, radicchio, and burgers.
  • Season with salt and pepper; enjoy.