INGREDIENTS
1 stick
unsalted butter, softened (8 tbsp. butter or 1/2 cup)
2
C all-purpose flour
1
T baking powder
1/2 tsp
fine salt
1 1/2
C granulated sugar
3
large eggs
1 cup
whole milk 1/2 Cup Mug Root Beer
3
C confectioners’ sugar
1
C butter
1 tbsp
Mug Root Beer
1
T whipping cream