Ingredients

  • 3/4 cups extra-virgin olive oil
  • 1 lemon, juiced
  • 1 lemon, zested
  • 2 tablespoons chopped fresh rosemary leaves
  • 1 clove garlic, minced
  • 1 pound tuna, cut into 1-inch cubes, about 24 pieces
  • 12 green onions, trimmed
  • 2 fennel bulbs
  • 2 lemons
  • 1 large red onion
  • 12 cherry tomatoes
  • 1 teaspoon salt
  • 1 teaspoon freshly ground black pepper
  • 12 bamboo skewers, soaked in water for 30 minutes

Method

  • For the marinade: Mix together all the marinade ingredients in a medium bowl.
  • For the skewers: Toss the cubed tuna in the marinade and let sit in the refrigerator for 30 minutes.
  • Bring a medium pot of salted water to a boil over high heat.
  • Add the green onions and cook until tender but still firm to the bite, about 1 to 2 minutes.
  • Transfer the green onions to a medium bowl of ice water.
  • When the green onions are cool, pat dry with paper towels.
  • Trim the stalks and the root end off the fennel.
  • Halve the fennel lengthwise then cut each half into 3 pieces.
  • Cut each lemon into 6 pieces.
  • Cut the red onion in half from stem to root end.
  • Cut each half in half again lengthwise and cut each quarter into thirds.
  • There should be 12 pieces of each vegetable.
  • Preheat the oven to 400 degrees F.
  • Remove the tuna and toss the vegetables in the marinade.
  • Thread each skewer starting with a tomato.
  • Then begin to thread the green onion starting with the tip of the white end.
  • Add a piece of tuna.
  • Keeping the ingredients near to the top of the skewer, ribbon the green onion around a piece of tuna and back through the skewer.
  • Next add the red onion, and ribbon the green onion around again and onto the skewer.
  • Next add another piece of tuna, and ribbon the green onion around again and onto the skewer.
  • Next add a piece of fennel, and ribbon the green onion around for the final time.
  • Top with a piece of lemon.
  • Center the ingredients on the skewer.
  • Place on a baking sheet.
  • Sprinkle both sides with salt and freshly ground black pepper.
  • Bake for 8 to 10 minutes.
  • Serve warm.