Open the chickpeas, drain and wash well. Add them to a food processor.
Add the rest of the ingredients to the food processor except for the spinach. Add only a couple handfuls of the spinach.
Blend on high for a few seconds. Add more spinach. Blend again. Continue this until the spinach is gone.
Blend until the mixture is smooth. Adjust the seasoning with salt and lemon.
Serve with chips or vegetables to dip.