Ingredients

  • 2 tablespoons olive oil
  • 1 large onion, thinly sliced
  • 1/4 cup celery, chopped
  • 1/4 cup fresh Italian parsley, finely chopped
  • 1 garlic clove, chopped
  • 1 1/2 lbs ripe plum tomatoes, peeled, coarsely chopped
  • 1 bay leaf
  • 1 cup fresh basil, torn into bite-size pieces
  • 4 (6 ounce) tuna steaks (bout 1 inch thick)
  • fresh basil sprig

Method

  • Heat 1 tablespoon oil in heavy large skillet over medium heat.
  • Add onion, celery, parsley and garlic. Saute until onion is tender but not brown, about 10 minutes.
  • Add tomatoes and bay leaf.
  • Cover and cook until sauce thickens, stirring occasionally, about 15 minutes. (Can be prepared 1 day ahead.)
  • Cover and refrigerate. Rewarm before continuing.
  • Discard bay leaf.
  • Mix in torn basil.
  • Season sauce to taste with salt and pepper.
  • Sprinkle tuna with salt and pepper.
  • Heat remaining 1 tablespoon oil in another heavy large skillet over medium-high heat.
  • Add tuna and cook until golden and just opaque in center, about 3 minutes per side.
  • Transfer tuna to platter.
  • Spoon sauce over tuna.
  • Garnish with basil sprigs.