Prepare Sesame-Ginger Dressing by combining all dressing ingredients in mixing bowl or large glass measuring cup; whisk well to combine.
Slice the cucumbers either into thin rounds or half moons. Add to a large bowl along with edamame, avocado, green onion, and sesame seeds (and fresh basil, if using). Season ingredients with a good pinch of salt.Add dressing and a pinch of Aleppo pepper flakes; toss to coat. Serve immediately, or refrigerate in an airtight container for up to 3 days.
