8tablespoons1 stick cold unsalted butter cut into 8 pieces
Instructions
Heat cream, salt, and corn syrup in small saucepan over medium heat, bring to a simmer for about 1 minute.
Place chocolate in work bowl of food processor fitted with steel blade. With machine running, gradually add hot cream mixture through feed tube; process 1 minute after cream has been added.
Stop machine; add confectioner’s sugar to work bowl and process to combine, about 30 seconds.
With machine running add butter through the feed tube one piece at a time; process until incorporated and smooth, about 20 seconds longer.
Transfer frosting to medium bowl and cool at room temperature, stirring frequently, until thick and spreadable, about 1 hour.
Notes
Makes 2 cups
Note: This frosting needs about an hour to cool before it can be used, so begin making it when the cake comes out of the oven.