Mascarpone Frosting
 
Makes about 4 cups
Ingredients
  • 8 ounces (225 grams) mascarpone cheese, room temperature
  • ½ cup (113 grams) unsalted butter, softened
  • 4 ounces (115 grams) chopped white chocolate, melted and cooled to 85°F (29°C) to 90°F (32°C)
  • 1 teaspoon (4 grams) vanilla extract
  • ½ teaspoon (1.5 grams) kosher salt
  • 4 cups (480 grams) confectioners’ sugar
Instructions
  1. In the bowl of a stand mixer fitted with the paddle attachment, beat mascarpone and butter at medium speed until smooth, about 1 minute. Add melted white chocolate, vanilla, and salt; beat at low speed just until combined, about 30 seconds. Add confectioners’ sugar, 1 cup (120 grams) at a time, beating well after each addition. Increase mixer speed to medium; beat for 1 minute. Use immediately.
Recipe by Bake from Scratch at https://www.bakefromscratch.com/tiramisu-layer-cake/