Vegan green sauce with avocado and zucchini

Or substitute an egg yolk for the oily avocado and end up with a a yellow white sauce

https://www.google.com/amp/s/spoonuniversity.com/recipe/vegan-zucchini-cream-sauce-recipe/amp#ampshare=https://spoonuniversity.com/recipe/vegan-zucchini-cream-sauce-recipe