Why You’ll Love This Recipe
The Creamy Root Beer Rum Cocktail is a nostalgic and indulgent drink that blends the rich, spicy flavor of root beer with the smooth, velvety texture of cream and a bold kick of rum. It’s like an adult root beer float—perfect for cozy evenings, dessert-inspired drinks, or impressing guests with something unique and delicious. This cocktail is quick to prepare and irresistibly smooth.
ingredients
(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)
root beerdark or spiced rumheavy creamvanilla extracticecinnamon or nutmeg (optional garnish)whipped cream (optional topping)
directions
Fill a glass halfway with ice.
Pour in the rum and vanilla extract.
Top with chilled root beer, leaving a little room for cream.
Slowly pour heavy cream over the top to create a swirling effect.
Stir gently if a more blended texture is desired.
Top with whipped cream and a sprinkle of cinnamon or nutmeg for garnish (optional).
Serve immediately with a straw or cocktail spoon.
Servings and timing
This recipe yields 1 cocktail.Preparation time: 5 minutesTotal time: 5 minutes
Variations
Use vanilla rum or root beer-flavored vodka for a twist.
Add a scoop of vanilla ice cream for a boozy float-style dessert.
Swap heavy cream for half-and-half or dairy-free alternatives like coconut cream.
Add a splash of coffee liqueur for extra depth.
Serve in a chilled mason jar or float glass for presentation.
storage/reheating
This cocktail is best enjoyed fresh and cold.Don’t store or reheat, as carbonation and cream will separate over time.If needed, prepare the base without cream ahead of time and add cream just before serving.
FAQs
Can I use diet root beer?
Yes, though it may slightly change the flavor and sweetness.
Is there a non-dairy version?
Absolutely—use coconut cream, almond milk creamer, or oat milk for a creamy texture.
Can I make a large batch?
Yes, scale the ingredients and mix in a pitcher, then add cream individually to each serving.
What type of rum works best?
Dark or spiced rum pairs best with root beer’s flavors, but light rum can be used for a milder taste.
Do I have to use whipped cream?
No, it’s optional, but it adds a nice dessert-like touch.
Is this cocktail very sweet?
It’s moderately sweet, with the root beer and cream balancing the rum’s strength.
Can I use root beer extract?
Only if making a homemade syrup—regular root beer soda is best for this recipe.
Can I blend this drink?
Yes, for a milkshake-style cocktail, blend with ice and a scoop of vanilla ice cream.
Does this taste like a root beer float?
Very much so, but with a boozy twist and creamy texture.
Is this good for parties?
Yes, it’s a conversation starter and easy to customize per guest’s taste.
Conclusion

The Creamy Root Beer Rum Cocktail is a playful, dessert-inspired drink that brings the familiar comfort of root beer together with the rich complexity of rum and cream. Whether served as a nightcap or a standout party cocktail, it delivers flavor, fun, and a creamy twist on a childhood favorite. Cheers to sweet sips and smooth finishes!
PrintCreamy Root Beer Rum Cocktail
- Prep Time: 5 minutes
- Cook Time: 0 minutes
- Total Time: 5 minutes
- Yield: 1 cocktail 1x
- Category: Drinks
- Method: Mixed
- Cuisine: American
- Diet: Vegetarian
Description
The Creamy Root Beer Rum Cocktail is a nostalgic yet grown-up drink that combines the classic flavor of root beer with the smooth richness of rum and cream for a dessert-like cocktail experience.
Ingredients
- 2 oz spiced rum
- 4 oz root beer
- 1 oz heavy cream or half-and-half
- Ice cubes
- Whipped cream (optional, for garnish)
- Maraschino cherry (optional, for garnish)
Instructions
- Fill a cocktail shaker with ice cubes.
- Add spiced rum, root beer, and heavy cream to the shaker.
- Shake gently to combine without flattening the root beer.
- Strain into a highball glass filled with ice.
- Top with whipped cream and a maraschino cherry if desired.
- Serve immediately with a straw.
Notes
- Use vanilla or root beer-flavored rum for an extra boost of flavor.
- Substitute cream soda for root beer for a different twist.
- Adjust cream to taste for a lighter or richer drink.
Nutrition
- Serving Size: 1 cocktail
- Calories: 220
- Sugar: 15g
- Sodium: 40mg
- Fat: 8g
- Saturated Fat: 5g
- Unsaturated Fat: 2g
- Trans Fat: 0g
- Carbohydrates: 20g
- Fiber: 0g
- Protein: 1g
- Cholesterol: 25mg
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