Add a few stalks of chopped celery with the onion, if you have it.
This soup is also good warm or cool. Drizzle more avocado oil on top for serving and garnish with chopped onion greens, fresh dill, fresh mint and / or fresh parsley. Great with a piece of crusty toast or with croutons on top.
Find it online: http://shiftycrafty.com/simple-warm-cucumber-soup/