B) This was not my idea...it was Katie's!
C) This was delicious. Make it.
Bring one 15-ounce can Guinness or other stout beer and 1/2 cup sugar to a simmer in a saucepan over low heat and cook until syrupy, about 40 minutes. Whisk in 3 tablespoons diced cold butter. Drizzle the Guinness caramel over vanilla or butter pecan ice cream and serve with shortbread cookies.