Rhub Goldberg Machine
Stir (or shake); strain; rocks; top and brief stir; garnish.
For rhubarb shrub: macerate equal parts sugar and chopped rhubarb stalks over a few days in the fridge, stirring occasionally; stir in an equal part apple cider vinegar; strain.

- I used Milagro. Works well to batch and carbonate the whole thing too.
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- J. Alfred Prufrock — Vodka, Elderflower liqueur, Club soda, Peach Shrub, Lime juice