American · Ketel One
Ketel One is wheat vodka, distilled in copper pot stills by the Nolet family in Holland, who have been at it since 1691. Wheat gives a cleaner, crisper spirit than corn.

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The one thing that matters
That crispness suits a mule if you like the ginger sharp and the drink dry. Where Tito's softens the ginger beer, Ketel One gets out of its way.
Tito's is corn and slightly sweet, which softens the ginger. Ketel One is wheat and crisper, which lets the ginger stay sharp. Pick by whether you want the ginger loud or tamed.
Four to six ounces over two ounces of vodka. Start at four, taste, and top up. Too much and the vodka vanishes entirely.