Slice the cucumber in half and scoop the seeds from the center and discard. Slice the cucumber into half inch chunks and add to a mixing bowl.
Step 2
Roughly dice the avocado flesh and chop the scallions and cilantro. Add to the bowl with the cucumber and toss to combine.
Step 3
Whisk together the yogurt, olive oil, lime juice, salt and pepper. Spoon over the salad and stir well, coating everything in the dressing. Refrigerate until ready to serve.