Grilled Marinated Eggplant

INGREDIENTS

• 1/4 teaspoon minced peperoncini or red pepper flakes
• 1/2 teaspoon dried oregano, preferably Sicilian
• 1 medium garlic clove, peeled and sliced
• 1/2 cup loosely packed fresh flat-leaf parsley leaves
• Kosher salt and freshly ground black pepper
• 1 medium eggplant (3/4 pound), peeled and sliced about 1/3" thick
• 2 tablespoons drained capers
• 3 tablespoons balsamic vinegar
• 1/4 cup extra virgin olive oil