Mortar and pestle used to blend 'nokos' (stuffing) - (black pepper, red pepper, parsley,green onions,garlic) for ceebu jen/thiéboudiène. Ceebu (rice) and jen (fish) is pronounced the same as thiéboudiène. Ceebu jen is written according to the Senegalese official alphabet while thiéboudiène is written according to the French alphabet.