- 236.59 ml dark brown sugar
- 88.74 ml unsalted butter
- 78.07 ml milk
- 0.25 ml salt
- 414.03 ml confectioners' sugar, sifted
- 2.46 ml vanilla extract
Directions See How It's Made
- In a medium saucepan, combine brown sugar, butter, milk, and salt. Bring to a boil over medium-high heat, stirring frequently. Reduce heat to medium and boil 2 minutes, stirring frequently. Remove from heat; cool completely.
- Stir in confectioners' sugar and vanilla; beat until smooth and thick enough to spread on cupcakes.