This easy Greek salad recipe is a flavorful, refreshing summer side dish! If you make it ahead for a gathering, save a few mint leaves to add right before serving.
Make the dressing: In a small bowl, whisk together the olive oil, vinegar, garlic, oregano, mustard, salt, and several grinds of pepper.
On a large platter, arrange the cucumber, green pepper, cherry tomatoes, feta cheese, red onions, and olives. Drizzle with the dressing and very gently toss. Sprinkle with a few generous pinches of oregano and top with the mint leaves. Season to taste and serve.