Chop green onions finely, including both white and green portions.
Peel and crush the garlic cloves with the flat of a knife.
In a food processor, combine the white beans, garlic, chopped green onions, cilantro, and parsley.
Blend on low until everything is finely chopped and mixed.
Add the olive oil, tahini, ¾ tsp/4g salt, and 3 tbsp/45ml of lemon juice.
Blend on high until smooth.
Taste and add more salt and lemon juice as needed.
Cover and allow to sit in the fridge for at least 2 hours before serving for the flavours to blend properly.