Best Grilled Chicken Recipe 1/4 cup cider vinegar 3 tablespoons Dijon mustard 3 cloves garlic, minced 1 lime, juiced 1/2 lemon, juiced 1/4 cup brown sugar 1 1/2 teaspoons kosher salt ground black pepper to taste 1/4 cup extra virgin olive oil 6 skinless, boneless chicken breast halves