Tuna Steak and Vegetable Sandwiches Recipe | Epicurious

Ingredients

• 3/4 cup plus 2 tablespoons olive oil
• 3 tablespoons balsamic vinegar or red wine vinegar
• 3 tablespoons chopped fresh marjoram or 2 teaspoons dried
• 2 garlic cloves, minced
• 3 Japanese eggplants, trimmed, cut lengthwise into 1/3-inch-thick slices
• 2 zucchini, trimmed, cut lengthwise into 1/3-inch-thick slices
• 1 yellow bell pepper, cut into 1/3-inch-wide strips
• 8 1/2-inch-thick slices country bread or sourdough bread
• 1 1-pound tuna steak, cut crosswise into 1/4-inch-thick slices
• Chopped fresh marjoram or pinch of dried
• Arugula