Total Time
Prep 10 mins
Cook 5 mins

From America's Test Kitchen, make this in the food processor. Use whatever kind of chocolate you like...milk, semi-sweet,'s rich and delicious.

Ingredients Nutrition


  1. In food processor, process butter, sugar, cocoa, and salt until smooth, about 30 seconds, scraping sides of bowl as needed.
  2. Add corn syrup and vanilla and process until just combined, 5 to 10 seconds.
  3. Scrape sides of bowl, then add chocolate (cooled to 85º - 100º F) and pulse until smooth and creamy, 10 to 15 seconds.
  4. Frosting can be used immediately or held.
  5. The frosting can be made 3 hours in advance. For longer storage, refrigerate the frosting, covered, and let it stand at room temperature for 1 hour before using.
Most Helpful

There seems to be something very wrong with this recipe. Way too much butter and not enough sugar. I had to add a whole bag of confectioner's sugar unlike the one cup the recipe calls for.T

Debbie W. November 17, 2015