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Kentucky Mule Recipe

Kentucky Mule Recipe

By What’s Baking

A vibrant, spicy-sweet fusion of bourbon and ginger beer with a bright citrus kick that perfectly balances warmth and refreshment in every sip.
Difficulty:
Beginner
Prep Time:
3 mins
Cook Time:
Serves:
1 cocktail
A frosty copper mug captures the Kentucky Mule in all its glory, condensation beading on its metallic surface. Golden-amber bourbon glistens beneath a layer of effervescent ginger beer, with crushed ice peeking through the clear liquid. A wedge of lime is perched on the rim, while additional lime wheels and fresh mint sprigs create a pop of vibrant green against the copper backdrop. Warm bar lighting accentuates the metallic sheen of the mug and highlights the dancing bubbles rising through the cocktail. A small wooden board with bourbon and fresh ginger roots sits alongside, suggesting the authentic ingredients that create this refreshing yet warming classic.

Ingredients

<ul class="ingredients-main-list"> <li class="ingredients-single-item">60ml bourbon whiskey</li> <li class="ingredients-single-item">15ml fresh lime juice</li> <li class="ingredients-single-item">120ml ginger beer (not ginger ale)</li> <li class="ingredients-single-item">1 lime wedge for garnish</li> <li class="ingredients-single-item">Fresh mint sprig for garnish (optional)</li> <li class="ingredients-single-item">Crushed ice</li> </ul>

Equipment

<ul class="equipment-main-list"> <li class="equipment-single-item">Copper mug (traditional, but any highball glass works)</li> <li class="equipment-single-item">Jigger for measuring</li> <li class="equipment-single-item">Bar spoon</li> <li class="equipment-single-item">Citrus juicer</li> </ul>
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Directions

<ol class="no-list-style"> <li class="MethodStepper"> <h4 class="step-title">Step 1</h4> Fill your copper mug (or highball glass) about three-quarters full with crushed ice. The copper mug isn't just traditional—it conducts temperature efficiently, keeping your drink colder longer and enhancing the ginger beer's spicy bite. </li> <li class="MethodStepper"> <h4 class="step-title">Step 2</h4> Pour 60ml of bourbon over the ice. Choose a quality bourbon with caramel and vanilla notes that will complement the spicy ginger beer. The warmth of the bourbon creates a delightful contrast to the refreshing nature of the cocktail. </li> <li class="MethodStepper"> <h4 class="step-title">Step 3</h4> Add 15ml of freshly squeezed lime juice. Always use fresh lime juice rather than bottled for a brighter, more vibrant flavor that cuts through the sweetness and adds complexity. </li> <li class="MethodStepper"> <h4 class="step-title">Step 4</h4> Gently pour 120ml of chilled ginger beer over the mixture. Pour slowly along the inside of the mug to preserve as much carbonation as possible. The ginger beer should be spicy rather than sweet for the most authentic flavor profile. </li> <li class="MethodStepper"> <h4 class="step-title">Step 5</h4> Stir gently with a bar spoon just 2-3 times to combine the ingredients without losing carbonation. Over-stirring will flatten your cocktail and reduce the refreshing quality that makes a Kentucky Mule so appealing. </li> <li class="MethodStepper"> <h4 class="step-title">Step 6</h4> Garnish with a lime wedge pressed slightly to release some oils, then drop it into the drink. If using mint, gently slap the sprig between your palms to release aromatic oils before placing it as a garnish. The aromatic qualities enhance the overall experience with each sip. </li> <li class="MethodStepper"> <h4 class="step-title">Step 7</h4> Serve immediately while the ginger beer is still effervescent and the drink is properly chilled. The ideal Kentucky Mule should be refreshingly cold with a perfect balance of bourbon warmth, ginger spice, and citrus brightness. </li> </ol>

Chef’s Notes

A few helpful details for making this recipe.

Why is a copper mug traditionally used for mule cocktails?

Copper mugs conduct temperature efficiently, keeping the cocktail colder longer without dilution. They also enhance the flavour profile by intensifying the ginger beer's spiciness and carbonation while adding a slight metallic tang that complements the bourbon's warmth and creates a more complete sensory experience.

What's the best bourbon to use in a Kentucky-style mule?

Choose a medium-proof bourbon with caramel and vanilla notes that balances the ginger beer's spiciness without overpowering it. Woodford Reserve, Buffalo Trace, or Maker's Mark work brilliantly, offering enough character to stand up to the ginger while maintaining a smooth, approachable flavour profile.

How does this bourbon-based mule differ from the traditional Moscow version?

The bourbon base creates a warmer, slightly sweeter profile with vanilla, caramel and oak notes compared to vodka's neutrality in a Moscow Mule. This Kentucky variation offers more complexity and depth, with the whiskey's character harmonising beautifully with the spicy ginger beer for a more sophisticated flavour profile.

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