*Do not substitue a chocolate drink mix for unsweetened cocoa powder. If you do, you’ll be adding extra sugar and other ingredients to your hot chocolate mix. It will not turn out the way it should and will probably be way too sweet.**Dry milk can have wheat or the possibility of contamination with wheat. So, if you need a gluten-free option, you really need to look for a specifically gluten-free instant dry milk powder. Also, watch your cocoa powder, powdered sugar, and coffee creamer to be sure they don’t have any cross-contamination.6. You can add warm milk instead of hot water. With the milk powder, I find that it's creamy enough, so I simply add hot water to my mix and stir it up.