• Heat gas grill to medium-high or coals in a charcoal grill to medium-hot. Lightly coat grill rack with oil or cooking spray.

  • In a small bowl, stir together sour cream, parsley, shallot and mustard. Cover and refrigerate until ready to serve.

  • Rub both sides of tuna steaks with Montreal seasoning. Grill for 3 minutes per side. Remove to a plate and keep warm.

  • Spread top of each bread slice with 2 teaspoons of sour cream mixture. Sandwich a tuna steak and some frisée between bread slices and serve.

Nutrition Facts

318 calories; 5 g total fat; 64 mg cholesterol; 656 mg sodium. 34 g carbohydrates; 33 g protein;