Heat ½ cup water in the microwave until boiling. Add espresso powder to the hot water and stir to dissolve. Add the chocolate chips to the hot water to melt. Set aside to slightly cool the mixture.
- Allow the cupcake batter to rest before baking, the cupcakes will rise and make that perfect “dome”.- Don’t overfill your cupcake liners. Fill them 3/4’s of the way.