Guinness Ice Cream Float
Peterson's Ice Cream Depot in Clifton puts ice cream in a beer. Now if that does not make you curious, you are too boring.
This is not a big production, show up between 6:30 and 7:30 to eat ice cream and talk bikes. They serve hot food too so you can make a meal of it.
http://www.yelp.com/biz/petersons-ice-cream-depot-clifton