Greek Salad

3/4 lbs. tomatoes seeded, diced (about 2 cups)

2 cups diced seeded peeled cucumber (from about 1 large)

1 cup diced red bell pepper (from about 1 large)

1/4 cup pitted kalamata olives or other brine-cured black olives halved

1/4 cup diced red onion

3 tablespoons chopped fresh Italian parsley

3 tablespoons extra-virgin olive oil

1 1/2 tablespoons red wine vinegar

1/2 teaspoon dried oregano

1/4 cup crumbled feta cheese (about 2 ounces)