Grilled Vegetable Ratatouille

Ingredients

• 3 tablespoons extra-virgin olive oil
• 3 medium-size tomatoes, cut into bite-size pieces
• 1 medium-large eggplant, cut in 1/3-inch slices
• 3 tablespoons fresh basil, chopped
• 3 tablespoons balsamic vinegar
• 1 large red onion, sliced 1/3-inch thick
• 2 tablespoons capers
• 1 red bell pepper, halved
• 1/4 cup chopped Italian parsley
• 1 yellow bell pepper, halved
• 1 green bell pepper, halved
• Salt
• fresh ground pepper