Place all ingredients in the bowl of a food processor and process until smooth, about 1 minute. Stop half-way through to scrape down the sides of the bowl.
Refrigerate and use within one day.
Notes
Adapted from NY Times - Basil Avocado Dip
Recipe by Queen of My Kitchen at https://www.queenofmykitchen.com/basil-avocado-yogurt-sauce/