This keto old fashioned has the classic taste of the beloved whiskey cocktail, but it’s sugar and guilt free!
If you’re searching for how to mix low carb drinks with whiskey, then this is the perfect recipe for you — you’ll get the traditional flavor of an old fashioned while staying true to your low carb recipes lifestyle.
With tasty low carb alcohol like this, you can kiss those boring low carb cocktails (*ahem* vodka soda) GOODBYEEE! Also, did I mention this is a 5 minute recipe?!
Let’s get this party started!
Looking for more keto cocktails? Check out my keto eggnog, or my keto margarita.
What I Love About This Keto Old Fashioned Recipe
This keto old fashioned really does taste like the real deal! This simple cocktail recipe is one I turn to time and time again because:
- It’s quick to make
- You only need a handful of ingredients
- Whiskey is naturally carb-free
Recipe Notes
Making a keto old fashioned is super easy. There’s only a few ingredients involved, which will let the whiskey shine beautifully!
Ingredient Notes
The keto old fashioned ingredients list is brief and mostly similar to the regular recipe.
- Whiskey: I like using bourbon for its rich, smooth taste. But you can also use rye, which was originally the popular choice when this cocktail was invented in the 1800s. Regardless of which you choose, it’s super important that it’s good quality whiskey. It’s the main component of the drink and a bad whiskey = a bad old fashioned.
- Angostura bitters: It’s what creates the classic flavoring of an old fashioned!
- Erythritol: Most recipes will use regular sugar, but I substitute it for powdered erythritol, my favorite healthy sweetener! Feel free to adjust the amount of erythritol in the recipe based on your own taste buds. It’s important to use powdered erythritol, as granular wont dissolve into the liquid as easily.
- Orange peel: The garnish will add a hint of citrus to freshen up the drink!
Tools To Make
You’ll need a rocks glass — If you don’t have one you can use any regular cup, but I love using a rocks glass because it completes the classy vibe.
Storing Tips
Making a pitcher for a party is a great idea! You can mix it ahead of time and store it in the fridge until you’re ready to serve. It’ll be a crowd-pleaser, and you won’t have to be stuck bartending for everyone all evening.
Grab a sealable pitcher or bottle, mix the ingredients, and chill in the fridge! Skip the ice until you’re ready to serve.
You can experiment with the exact amount of bitters and sweetener to add. (Using the ratios from the recipe below, multiply as needed!) I would prepare the garnish ahead of time, but wait to add it in until serving the drinks.
Old Fashioned Recipe Variations
Here are a few ways you can add your spin to this keto old fashioned:
- Use other types of fruit. I love light citrus garnishes like orange peels, but Sometimes, I’ll use lemons instead for a more sour citrus kick!. Or you can try my all-time favorite fruity drinks like low carb strawberry margarita and low carb cosmopolitan — deliciously refreshing!
- Add new herbs and spices. Say, with a low carb margarita. Or you can add herbs for extra zest. Mint leaves will add a nice cool tingle (like in a keto mojito). You can also try adding basil, rosemary, or lavender. Or mix in some ground cinnamon or nutmeg.
- Make this with vodka! It doesn’t have carbs, thanks to the fermentation process of liquors. So if you’re a vodka-lover (or if it’s the only liquor you have on hand) go for it!. If you’re looking for some easy vodka cocktails, I would recommend making a low carb martini or keto white russian instead.
More Keto Drink Recipes
Keto old fashioned tastes just as amazing as the regular stuff, except it’s even better because you’re not chugging sugar!
Of course, you should always consume alcohol in moderation, but that doesn’t mean you can’t treat yourself every once in a while. Here are a few other keto drinks options to indulge in:
Keto Old Fashioned
Print Recipe Pin RecipeIngredients
- 1 Teaspoons Swerve or Lakanto (see sweetener notes below) powdered
- 3 Dashes Angostura bitters
- 1 Teaspoon Water
- 1 1/2 Ounces Bourbon
- Orange Peel for garnish
Instructions
- Add erythritol (1 teaspoon), Angostura bitters (3 dashes) and water (1 teaspoon) to a rocks glass, and stir until the erythritol dissolves.
- Add large ice cube to glass, along with bourbon (1 1/2 Ounces).
- Give cocktail a stir, garnish with orange peel, and enjoy!
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