6 romaine lettuces leaves (torn into 1 1/2 inch pieces)
1 cucumber (medium, peeled and sliced)
1 tomato (medium, chopped)
1/2 cup red onion (sliced)
1/3 cup feta cheese (crumbled)
2 tablespoons olive oil (extra-virgin)
2 tablespoons lemon juice
1 teaspoon oregano (dried)
1/2 teaspoon salt
1. Combine lettuce, cucumber, tomato, onion and cheese in large serving bowl. Whisk together oil, lemon juice, oregano and salt in small bowl.
2. Pour over lettuce mixture; toss until coated. Serve immediately.