1. Repeat step one (using a microwave safe mug instead of a saucepan) 2. Place your mug into a microwave and microwave for 20 seconds on high power. [4] X Research source 3. Take your mug out and stir your mixture. 4. Microwave one or two more times (stirring in between) or until there are no more lumps. 5. Finish off by stirring in the rest of your milk.