1. Put all the ingredients into an ovenproof bowl and stir until smooth.

2. Cover with the edge-open wrap and microwave on 600W for 1minute. (30seconds on 1200W)

3. Take the bowl out and cool. Lasts for a month in a refrigerator.

* Without using microwave, put all the ingredients in a bowl and stir until smooth. Keep in a refrigerator. It is quicker and easier.

For how long you should cook with your microwave oven, see Cooking Time vs Wattage Conversion.
For more tips of using Microwave Oven, see Sachiko's Guideline to Microwave Cooking.