Ingredients

3 tablespoons red wine vinegar3 tablespoons olive oil2 tablespoons chopped red onion2 tablespoons minced fresh basil1 garlic clove, minced1/4 teaspoon salt1/4 teaspoon pepper4 boneless skinless chicken breast halves (6 ounces each)Grilled romaine, optional

Preparation

In a large resealable plastic bag, combine the first seven ingredients. Add chicken; seal bag and turn to coat. Refrigerate 8 hours or overnight.

Drain chicken, discarding marinade. Grill chicken, covered, over medium heat or broil 4 in. from heat 5-7 minutes on each side or until a thermometer reads 165°. If desired, serve over grilled romaine.