Sweet peppers and a pleasingly salty vinaigrette enhance the meaty fish.
If you don't have a gas grill or aren't able to grill outdoors, cook tuna on a lightly oiled well-seasoned large (2-burner) ridged grill pan over moderately high heat, turning once, 4 to 6 minutes total.
Recipe information
Yield
4 servings
Ingredients
3
2
1
1
1
1
1
1
2
Need to make a substitution?
Preparation
Step 1
Prepare gas grill for cooking over direct high heat.
Step 2
While grill heats, cut peppers lengthwise into quarters, discarding stems and seeds. Trim ends so that quarters lie flat.
Step 3
Sprinkle tuna all over with 1 teaspoon salt and 1/2 teaspoon pepper. Cook tuna and peppers on lightly oiled grill rack, turning over once, until tuna is pink only in center and peppers are just tender, 4 to 6 minutes total (peppers may take longer than tuna). Transfer tuna and peppers as cooked to a serving plate.
Step 4
While tuna cooks, whisk together lemon juice, mustard, and remaining 1/4 teaspoon salt and 1/2 teaspoon pepper in a small bowl, then add oil in a slow stream, whisking until emulsified. Whisk in capers and parsley.
Step 5
Serve tuna topped with peppers and caper vinaigrette.