Game plan: Melting chocolate is easy in the microwave. Simply place chopped chocolate in a heatproof bowl and microwave on high for 1 minute, stirring halfway through.
The frosting will last up to 1 week stored in an airtight container in the refrigerator.
- 1Beat butter in the bowl of a stand mixer fitted with a paddle attachment on medium-high speed until light and fluffy, about 3 minutes.
- 2Stop the mixer and add powdered sugar. Turn the mixer to low, then gradually increase the speed until the powdered sugar is completely incorporated.
- 3Turn the mixer off and add vanilla and chocolate. Beat on medium-high speed until the frosting is airy and thoroughly mixed, about 3 minutes. Use to top cookies, cupcakes, or cakes.