2 grapefruits, trimmed of skin and cut into large slices |
1/2 red onion, peeled and thinly sliced |
1/3 cup pitted chopped black olives |
1 bunch basil, leaves thinly sliced (about 1 cup) |
2 tablespoons chopped chives |
3 tablespoons aged balsamic vinegar |
3 tablespoons extra-virgin olive oil |
salt and freshly ground black pepper |