Homemade Hot Chocolate Recipe - dairy and sugar free

non-dairy milk or water (try Easiest Coconut Milk, Easiest Almond Milk, or Rice Milk)1 tbsp cocoa OR carob powder, sifted to remove clumpsliquid stevia, to taste (I used 5 drops. See Homemade Liquid Stevia)¼ tsp vanilla extract, optional