In a small bowl or jar, whisk together olive oil, lemon juice, Dijon mustard, garlic, oregano, salt, and pepper until fully combined.
¼ cup olive oil, 3 tablespoons lemon juice, 2 teaspoons Dijon mustard, 1 garlic clove, ½ teaspoon oregano, ¼ teaspoon salt, ¼ teaspoon black pepper
In a large bowl, toss together chickpeas, cucumbers, red onion, cherry tomatoes, olives, feta, and most of the parsley (save a pinch for garnish).
2 cups cherry tomatoes, 1 cup Persian cucumbers , ¼ cup red onions finely , ¼ cup pitted Kalamata olives, ¼ cup crumbled feta cheese, 1 tablespoon parsley, 2 cups canned chickpeas
Drizzle the dressing over the salad and gently toss everything to coat. Adjust seasoning if needed.
Lay a bed of chopped romaine on a serving platter or in bowls. Spoon the chickpea mixture on top. Garnish with remaining parsley and an extra drizzle of dressing if desired.
3 cups romaine lettuce
For enhanced flavor, cover and refrigerate the salad for 1 hour before serving.