Ingredients

  • 1 pound small red potatoes
  • 1/2 teaspoon coriander seeds
  • 1/2 teaspoon fennel seeds
  • 1/2 teaspoon crushed red pepper
  • Kosher salt and freshly ground pepper
  • Four 6-ounce tuna steaks
  • 2 tablespoons extra-virgin olive oil
  • 2 tablespoons balsamic vinegar
  • 1 tablespoon grainy mustard
  • 2 tablespoons chopped dill
  • 2 cups packed baby greens

Method

  • In a medium saucepan, cover the potatoes with water and bring to a boil.
  • Cook over moderately high heat until tender, about 20 minutes.
  • Drain and let cool.
  • In a spice grinder, grind the coriander seeds and fennel seeds to a powder.
  • Transfer to a small bowl and stir in the crushed red pepper, 1 teaspoon of kosher salt and 1 teaspoon of pepper.
  • Sprinkle the tuna steaks on both sides with the spice mixture and let stand for 15 minutes.
  • In a small bowl, combine 1 tablespoon of the olive oil with the balsamic vinegar, mustard and dill and season with salt and pepper.
  • Slice the potatoes 1/2 inch thick and toss with 2 tablespoons of the dressing.
  • Mound the potato salad on plates.
  • In a large skillet, heat the remaining 1 tablespoon of olive oil until shimmering.
  • Add the tuna steaks and cook over high heat until browned on the outside and rare within, about 1 minute per side.
  • Set the tuna steaks over the potato salad and scatter the greens on top.
  • Drizzle with the remaining dressing and serve.