Sonoma Distilling Co. Sonoma Bourbon is a wheated California craft bourbon — 70% California corn, 25% California wheat, and 5% Wyoming malted barley, bottled at 92 proof (46% ABV) with a profile of toasted vanilla, almond, toffee brittle, and coffee.The wheated mashbill gives the bourbon a soft, rounded sweetness. Founded by Adam Spiegel in 2010 as one of the first 200 distilleries in the United States, Sonoma Distilling Company handcrafts small-batch, grain-to-glass whiskey using old-school direct-fired pot stills in Sonoma wine country.Tasting Notes Palate: Toasted vanilla, almond, toffee brittle, and coffee Specs Distillery: Sonoma Distilling Co., California Style: Wheated Bourbon Mash: 70% corn, 25% wheat, 5% malted barley Proof: 92 (46% ABV) Pairing: Roasted chicken, duck-fat potatoes, fennel and green apple salad Browse all bourbon at Wooden Cork.