Chopped Vegetable Salad with Feta and Olives

Bahan-bahan (4 porsi)

• 1 large head Romaine lettuce, (finely chopped)
• 4 medium Roma tomatoes, (finely chopped)
• 1 large cucumber, (finely chopped)
• ½ cup chopped red onion
• ¼ cup extra virgin olive oil
• 3 tablespoons red wine vinegar
• 1 cup (4 ounces) crumbled feta cheese
• ½ cup chopped kalamata olives