Add all of the dressing ingredients to a small mixing bowl and whisk well to blend, season with salt to taste and store in refrigerator until ready to use.
Add tomatoes, cucumber, onion, bell pepper, olives, avocado and feta to a salad bowl.
Drizzle dressing over top and gently toss to evenly coat. Add dressing within a few minutes of serving for best results.
Recipe Source: inspired by Simply Recipes
