Greek Salad in a Pita

3 tablespoons extra virgin olive oil 1 tablespoon red wine vinegar 1 1/4 cups chopped seeded plum tomatoes or 1 1/4 cups cherry tomatoes 1 cup diced seeded[...]

3 vine-ripened tomatoes , cut into 1/2-inch thick wedges 1 red onion , sliced into thin rings 1 cucumber , peeled and cut into 1/2-inch cubes 2 small green[...]