1 oz Rye, Rittenhouse 100
              1⁄2 oz Cognac, Pierre Ferrand 1840
              1 1⁄2 oz Sweet vermouth, Carpano Antica Formula (blood-orange-zest infused; see Notes)
              1 sli Blood orange (as garnish)
          Instructions
    
          Stir; blood orange wheel garnish.
Notes
    
          For the blood orange zest infusion Death & Co uses iSi whipper; I infused zest of 3 blood oranges in fridge for a couple days and filtered with coffee filter.