- 1/2 cup packed light brown sugar
- 1/4 cup heavy cream
- 1/4 cup salted butter
- 1 teaspoon vanilla extract
- 1 1/4 cups (about 5 oz.) powdered sugar, sifted
How to Make It
Bring brown sugar, cream, and butter to a boil in a 2-quart heavy saucepan over medium, whisking constantly; boil, whisking constantly, 1 minute.
Remove pan from heat; stir in vanilla. Gradually whisk in powdered sugar until smooth. Gently stir until mixture begins to cool and thicken, 4 to 5 minutes. Use immediately.