DIY coffee liqueur tastes like like a fresh cup of coffee with added depth from rum and just enough sugar to make it great for sipping or mixing—or baking and dessert garnishing. The quick steeping time means no patience is required.
'kahlua' on Serious Eats
Many bourbon lovers occasionally spike a cup of coffee with a slug from their favorite bottle; the Revolver is the same flavor principle in reverse, putting the bold bite of the whiskey up front and rounding out the flavor with coffee and the brightness of orange peel.
Lucy Baker has adapted The Dude's go-to drink into another guilty pleasure, the black and white cookie, in her newly released cookbook, The Boozy Baker. The coffee flavor goes into the cake-like cookies in the form of powdered espresso and again in it's boozy liquid form (Kahlúa or any other coffee flavored liqueur), and then again in the black and tan frosting.
This Bobby Flay recipes makes one Kahlúa-spiked 16-ounce milkshake or two 8-ounce milkshakes.