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This Bulletproof Coffee Keto Milkshake is a great way to add healthy fats to your day in the form of a delicious, creamy smoothie! Plus, it’s ready in 5 minutes and only uses 6 ingredients.

Bulletproof Coffee Keto Milkshake in a glass jar topped with whipped cream and cinnamon

Bulletproof coffee (also known as fatty coffee or keto coffee) has become very popular in the keto community.

If you haven’t heard this term before, it refers to coffee blended with fats to give you a rich, creamy texture as well as an amazing boost of energy. If it sounds crazy, just trust us and give it a try… there’s a reason so many people are obsessed with it!

Bulletproof is now a well-known keto brand offering pre-mixed coffee drinks that include butter or MCT oil. However, their name has become synonymous with any kind of coffee that includes fats, similar to how we call all facial tissues “Kleenex.” 

So if you hear someone talking about bulletproof coffee, they may not actually be referring to the brand. It’s just what we call this style of coffee now.

And this creamy coffee milkshake takes the recipe to a whole new level. It’s a delicious, satisfying way to get a great boost of energy. Plus, it only takes about 5 minutes and 6 simple ingredients to make!

How to make a bulletproof coffee keto milkshake

This recipe is so simple, you pretty much just have to brew, blend, and serve!

Step 1: Brew a cup of black coffee and allow it to cool to room temperature.

Step 2: Add all of the ingredients to a high-speed blender. Blend until the ice has become crushed but not completely melted.

Pouring coffee into the blender from a glass

Step 3: Pour into a glass. You can serve as-is or choose to add extra toppings.

Your delicious, low-carb, healthy-fat-packed milkshake is ready! I like to garnish mine with heavy whipping cream and a sprinkle of cinnamon for extra yumminess!

Choosing your coffee for this recipe

When it comes to making your bulletproof shake, you can use any type of coffee that you like! Even instant coffee should work just fine.

Personally, I think you get the best coffee flavor by adding 4 tablespoons of coffee grounds to 3 cups of cold water and leaving it to brew overnight.

In the morning, strain out the coffee grounds and you have delicious cold-brew coffee ready to use! 

Of course, you can also get a fancy cold brew coffee set if you want to be more professional about your cold brewing.

Low-carb milkshakes in two glass jars with straws, topped with whipped cream and cinnamon

Ingredients to use

You’ll typically see butter used in most bulletproof recipes. In fact, that’s why some people call it “butter coffee.” However, butter isn’t ideal in a cold smoothie. It would just firm up and become lumps in the drink, which doesn’t sound very appetizing.

So instead, we can either use MCT oil or just plain coconut oil. You still get all the goodness of adding healthy fats to your coffee while enjoying a delicious low-carb milkshake!

Want to include more flavor? Consider including unsweetened cocoa powder for a chocolate keto coffee shake! You could also replace a tablespoon of MCT oil with a tablespoon of nut butter for a yummy, creamy addition.

Or, to increase the protein content, try adding a scoop of your favorite protein powder! Chocolate or vanilla would be delicious, although you may want to reduce the amount of sweetener in this recipe to adjust for the sweetness of the powder. You could also use unflavored collagen protein, which won’t affect the taste.

Feel free to get creative!

Why drink bulletproof-style coffee?

If you’ve never heard of adding fats to your coffee, you may be wondering why someone would want to do this at all.

First, it’s an amazing way to energize your day. The healthy fats slow down the absorption of caffeine, which gives you a longer, more stable burst of energy. No caffeine crash!

Second, it adds tons of flavor without adding sugar or carbs. The smooth, creamy consistency is just irresistible. That’s why so many people love it.

And finally, it gives you a feeling of satiety. That’s why it makes such a great breakfast or afternoon pick-me-up!

If you haven’t tried blending fats into your coffee, I highly recommend giving it a shot. You’ll be amazed at how delicious this style of coffee can be… especially when it’s blended into a creamy milkshake!

Close-up of a milkshake in a glass jar topped with whipped cream and cinnamon

Storage

You can store your keto milkshake covered in the refrigerator for up to a week.

If you’re prepping this recipe ahead of time, I recommend leaving out the ice. Just blend the rest of the ingredients, then store them in the fridge.

When you are ready to drink the shake, throw the prepared mixture and ice into your blender and blend until just mixed. This method keeps the milkshake from becoming watery and bland from melting ice.

Other low-carb smoothie and shake recipes 

Looking for a few more smoothies or shakes that give you all the taste and deliciousness you want without any unhealthy sugars or carbs to worry about? Here are some of my favorites that I know you’ll enjoy:

For even more tasty inspiration, check out my roundup of the best low-carb smoothie recipes for diabetics!

When you’ve tried this milkshake, please don’t forget to let me know how you liked it and rate the recipe in the comments below!

Bulletproof Coffee Keto Milkshake

4.75 from 16 votes
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This Bulletproof Coffee Keto Milkshake is a great way to add healthy fats to your day in the form of a delicious, creamy smoothie! Plus, it's ready in 5 minutes and only uses 6 ingredients.
Prep Time: 5 minutes
Cook Time: 0 minutes
0 minutes
Total Time: 5 minutes
Servings: 2

Ingredients 

  • 1 cup brewed coffee , (cooled to room temperature)
  • 1 cup coconut cream
  • 1 cup ice cubes
  • 2 tablespoon MCT oil , (or coconut oil)
  • 1 teaspoon vanilla extract
  • 1/8 teaspoon Stevia

Instructions

  • Brew a cup of black coffee and allow it to cool to room temperature.
  • Add all of the ingredients to a high-speed blender. Blend until the ice has become crushed but not completely melted.
  • Pour into a glass. You can serve as-is or choose to add extra toppings.

Notes

This recipe is for 2 servings of keto coffee milkshake.
Any kind of coffee can be used for this recipe. I recommend adding 4 tablespoons of coffee grounds to 3 cups of cold water and allowing it to brew overnight. In the morning, simply strain out the coffee grounds.
Feel free to add ingredients like cocoa powder, nut butter, or protein powder to this shake. If your protein powder is sweetened, consider reducing the amount of sweetener in the recipe.
Your keto shake can be stored covered in the refrigerator for up to a week. If prepping in advance, blend without the ice so it does not melt and water down the ingredients.

Nutrition Info Per Serving

Nutrition Facts
Bulletproof Coffee Keto Milkshake
Amount per Serving
Calories
407
% Daily Value*
Fat
 
41.3
g
64
%
Saturated Fat
 
30.7
g
154
%
Trans Fat
 
0
g
Polyunsaturated Fat
 
0.5
g
Monounsaturated Fat
 
2.1
g
Cholesterol
 
0
mg
0
%
Sodium
 
23.5
mg
1
%
Potassium
 
64.6
mg
2
%
Carbohydrates
 
4.5
g
2
%
Fiber
 
0
g
0
%
Sugar
 
0.3
g
0
%
Protein
 
2.9
g
6
%
Net carbs
 
4.5
g
* Percent Daily Values are based on a 2000 calorie diet.