Drain the beans, then peel the broad beans, discarding the skins. Transfer them to a food processor along with the onion, garlic, baking soda, boiled potato, herbs and spices. Process for one minute, then scrape down the sides and mix to ensure even blending. Repeat this process five times.
25 g Boiled potato , 100 g Onion, 1½ tsp Ground parsley, 1 tsp Ground coriander, 1½ tsp Ground mint, ¼ tsp Lebanese Seven spice, ½ tsp Ground Paprika, ½ tsp Ground cumin, ¾ tsp Salt, ½ tsp Ground black pepper, 2 cloves Garlic, ½ tsp Baking soda