Here's a picture of what you're doing, but I'll copy the instructions into text because it is a bit small :)
1. Add the dry ingredients into the mug. Mix together well. 2. Add the wet ingredients and mix together well with the dry ingredients.
3. Put in the microwave for 1min 40sec. 4. Pull it out. Watch out, IT'S GOING TO BE HOT 5. Serve with ice cream (optional)