Harry Potter Hot Butterbeer - cooking recipe

Ingredients

12 ounces root beer
1/8 cup butter
1/8 cup cream

Preparation

Melt butter.
Pour Root beer into a microwave-safe glass and heat for 30 seconds or as needed so it is moderately warm.
Warning: If it is warmed too much, it won't be fizzy!
Pour 1 teaspoon of melted butter into the Root Beer a little at a time, stirring constantly until well blended.
Gently stir in cream.
It may take a few times to determine the amount of butter and cream needed to make the perfect-tasting Butterbeer!