Hot Fudge Root Beer Float Cupcakes.

Root Beer Float Cupcakes

• 1 1/8 cups all-purpose flour
• 1/4 cup dark cocoa powder
• 1 1/4 teaspoon baking soda
• 1/2 teaspoon salt
• 3/4 cup brown sugar
• 1 egg
• 1 teaspoon vanilla extract
• 2 teaspoons root beer concentrate
• 1/3 cup root beer
• 1/2 cup heavy cream + 1 tablespoon
• 1/2 cup butter melted
• 2 tablespoons sour cream

Vanilla and Root Beer Frosting

• 1 1/2 butter softened, in sticks
• 4 cups powdered sugar
• 1 tablespoon vanilla extract
• 2 tablespoons milk
• 1/4 teaspoon root beer concentrate