Royco Mchuzi Mix Thickens your stews and adds a rich flavour. Royco Mchuzi Mix is made using a perfect blend of natural ingredients. Royco Mchuzi Mix can be used to make a variety of dishes. Royco Mchuzi Mix is a seasoning powder mixture that thickens stews and adds a rich flavour to meals. How to use Royco Mchuzi Mix : 1. Dissolve one tablespoon or more of Royco Mchuzi Mix in a cup of cold water and stir to mix. 2. Add to your food to obtain the desired taste and then cook the food until ready.