Cake in a Cup

From http://www.instructables.com/id/chocolate-microwave-cake/

• 1/4 C melted butter
• 4 T sugar (57g)
• 6 T flour (50g)
• 2 T cocoa powder (16g)
• 1/2 t baking powder (2g)
• 1 egg
• 2 T milk (37g)