Make Frosting
In a small bowl whisk confectioner's sugar with milk until smooth, set aside while making cinnamon bun
Spray a 10 ounce mug or ramekin with bakers spraynfectioners
Combine in a biwl flour, baking powder and salt
Add milk mixed with vabilla slowly adding just enough to form a soft dough
Turn out on to flour dusted work surface and knead into a soft ball
Roll put into a 4 inch sqare, brush well the surface with melted butter
Combine cinnam and brown sugar in a small bowl
Sprinkle cinnamon sugar over dough
Roll up
Place in prepared mug and add the teaspoon of water over the top
Microwave for about 45 to 60 seconds depending on your microwave. A toothpick should come put just clean. It will continue to cool a bit as ot cools. Run a thin knife around mug and turn cake out
Frost with glaze and eat warm
