American Frosting

Ingredients

• 3 sticks unsalted butter
  
• 8 ounces mascarpone cheese
  
• 2 cups 10x powdered sugar
  
• 1/4 cup heavy cream
  

Directions

1. Cream together the butter and mascarpone cheese with a mixer set to "high" until light and fluffy.
2. Add powdered sugar a 1/4 cup at a time, beating well between each addition. Add heavy cream.
3. Continue to beat on high for an additional minute to incorporate air.