A Mule drink, typically a Moscow Mule, is a refreshing cocktail made with vodka, ginger beer, and lime juice, served in a copper mug.
A Mule drink is a refreshing cocktail made with vodka, ginger beer, and lime juice, traditionally served in a copper mug. This iconic drink has spawned countless variations and remains a favorite for its perfect balance of spicy, sweet, and tart flavors.
The Classic Moscow Mule Recipe
The original Moscow Mule follows a simple formula that creates magic in a glass:
- 2 oz vodka
- 4 oz ginger beer
- ½ oz fresh lime juice
- Lime wedge and mint sprig for garnish
Combine all ingredients in a copper mug or cocktail glass filled with ice. Stir gently and garnish. The copper mug isn’t just for show – it keeps the drink colder longer due to copper’s excellent thermal conductivity.
Why Ginger Beer Matters
The ginger beer makes or breaks a Mule. After extensive testing, Fever-Tree’s ginger beer emerges as the top choice for its:
- Three-ginger blend from different regions
- Perfect balance of sweetness and spice
- Clean, pronounced ginger flavor
For those who prefer making their own, you can create ginger syrup as an alternative to bottled ginger beer.
Fascinating History of the Moscow Mule
Contrary to its name, the Moscow Mule is an American invention born from clever marketing in 1941. Three businessmen – a vodka distributor, a ginger beer producer, and a copper mug manufacturer – each had surplus inventory they needed to move.
Their collaboration created the perfect storm:
| Inventor | Contribution |
|---|---|
| John G. Martin | Smirnoff vodka |
| Jack Morgan | Cock ‘n’ Bull ginger beer |
| Sophie Berezinski | Copper mugs |
The drink’s popularity skyrocketed when Martin began touring bars with a Polaroid camera, taking pictures of bartenders with the copper mug and vodka bottle. This early viral marketing helped establish vodka in the American cocktail scene.
Popular Mule Variations
The basic Mule template has inspired countless creative twists:
Kentucky Mule
Substitutes bourbon for vodka, creating a richer, more complex flavor profile that pairs beautifully with the ginger’s spice.
Mexican Mule
Uses tequila instead of vodka and often includes a spicy element like jalapeño or chili salt rim. The tequila’s agave notes complement the ginger exceptionally well.
Dark ‘n Stormy Mule
Features Gosling’s Black Seal rum and adds a splash of dark molasses for depth. This variation nods to Bermuda’s national drink while maintaining the Mule’s refreshing character.
Health and Safety Considerations
While copper mugs are traditional, the FDA warns against using unlined copper with acidic beverages (pH below 6.0). The solution? Look for mugs with:
- Stainless steel lining
- Nickel plating
- Food-safe interior coating
These options provide the classic look without the risk of copper leaching into your drink. As FDA guidelines state, properly lined copper vessels are completely safe for cocktail service.
Modern Mule Culture
Today’s bartenders continue innovating with seasonal ingredients and creative presentations. Some current trends include:
- Herbal infusions (rosemary, thyme, basil)
- Fruit variations (cranberry, peach, pineapple)
- Smoked versions using wood chips
- Zero-proof versions with alcohol-free spirits
The Mule’s versatility ensures its place as a cocktail menu staple. Whether you prefer the classic recipe or enjoy experimenting with new flavors, this drink offers endless possibilities for customization.
