Slice the ends off the zucchini and cut them into chunks, about 6 pieces per zucchini. Place the zucchini pieces along with the rest of the ingredients into a 12-cup food processor. Secure the lid and process until smooth, scraping down the sides 2-3 times.For an ultra smooth hummus, prepare the zucchini and place all the ingredients in the order listed into a high powered blender. Secure the lid and blend starting on low and working up to medium, using the tamper to keep the mixture moving.Remove the hummus from the machine and place it into an airtight container. The hummus will keep for 5-6 days in the fridge.