Weigh out milk into a glass beaker Weigh out dried milk in a separate glass beaker Pour a small amount of milk on to dried milk and mix to make a paste Add more milk to this until around half has been added Add SunActive Fe while stirring Add sugar while stirring Add flavour while stirring. Homogenise this mix until all ingredients have been thoroughly mixed Add this to the remaining milk and stir Place in microwave and heat for 30 seconds Remove and stir Repeat this Leave to cool to 40deg C Stir in Bio yogurt Pour into glass jars Place in oven at 40deg C over night Remove from oven and keep refrigerated.