Ginger beer is a nonalcoholic fizzy beverage with a pop of spicy ginger. It's the flavor secret in this spicy but refreshing cocktail.
Stir together first 5 ingredients. Fill 1 (16-oz.) glass or Mason jar with crushed ice. Pour bourbon mixture over ice; top with ginger beer (about 1/3 cup). Garnish, if desired. Serve immediately.
Note: We tested with Maker's Mark Bourbon, Domaine de Canton ginger liqueur, and Reed's Extra Ginger Brew and Goya Jamaican Style Ginger Beer.
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