Butterscotch Sauce
1/4 cup butter
1/2 cup packed brown sugar
1/2 cup heavy cream
1/4 tsp salt
1 tsp vanilla
Whisk everything but the vanilla in a small pot set over medium heat. Bring to a gentle boil and simmer for about 5 minutes, whisking occasionally. Remove from heat and add the vanilla. Cool completely before using in your butter beer recipe.
BUTTERBEER:
vanilla ice cream
butterscotch sauce (above)
ginger ale
For each serving, put a scoop of vanilla ice cream into a tall glass and drizzle with a tablespoon or two of butterscotch sauce. Store with a spoon to soften ice cream and blend in the butterscotch sauce. Pour ginger ale over the top and stir.