Can I use baby formula to make yoghurt? Yes you can, but note - the yoghurt will not be as thick as normal cow's milk as the curd is more fragile. Related articles How long can yoghurt be kept in the fridge? Do I have to heat my Yoghurt Culture? Can I not just put it into milk? Can I use an EasiYo maker? Why is my yoghurt not setting? Can you use coconut powder to make yoghurt?