Saute chopped onion in oil with a pinch of salt in a pot for 3 min.
Add chopped leek and vegetable broth cubes and stir for 30 seconds. Add drained chickpeas and rest of salt, stir again, then add 0.6 l of water and ground black pepper.
Cook on middle heat for 14 min. after boiling point. If you cook in a pressure cooker cook for 7 min after boiling point (under highest pressure).
Dissolve flour in 1.5 dcl of water using a fork. Add this mixture into the pot while frequently stirring to distribute it evenly. Do this step while the stove is at middle low temperature. Let it simmer for 1 min.
Serve warm with mashed potatoes, season salad and vegan meat, garnish with fresh parsley.