Ingredients:
- 1¼ oz sweet vermouth
- 1¼ oz Campari
- 4-5 oz pilsner beer
Garnish: lemon peel
Glassware: Collins
Yield
one cocktail
Method
Build in a frozen glass over a large rock, adding beer last. Foam some beer by whipping it and float on top. Keep everything ice cold before building!

Source: www.instagram.com
Created by Damon Boelte, co-owner of Grand Army Bar in Brooklyn. More info here.