Step 1

Add cucumbers, onion, tomato, and avocado to a large salad bowl.  Gently mix.

Step 2

In a small bowl, or jar mix together olive oil, vinegar, salt and pepper. Mix until very well blended.

Step 3

Add vinaigrette and parsley to the salad.  Mix together until everything is well coated.

Step 4

Store in fridge for about an hour or until ready to serve.