Single Serve Keto Donut

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Make a single keto donut in about 10 minutes with this recipe for a delicious old-fashioned cake donut you'll want to sink your chompers in. It's even topped with a luscious vanilla cream glaze and colorful sprinkles.

Pass by any bakery and you’d have a hard time trying to find a donut that was keto approved in the glass case. If you want a glazed donut or chocolate donut, you are going to have to make your own. After spending an hour covered in grease and dough, you’ll end up with a bunch of low carb donuts, but I have a better solution. I usually just want ONE DONUT, so I developed this recipe to easily get that donut fix without the effort, time or carbs!

A hand holding a glazed donut over a wire rack filled with more donuts.

What makes this recipe different?

  • Portion controlled – Designed to produce just one perfectly portion-controlled donut, this is the best solution to enjoy a donut without leftovers tempting you for days. Acutally, I get sick of eating the same thing over and over – that’s why I love single serve recipes!
  • Only takes 10 minutes – Since we are only making one donut, this keto donut recipe doesn’t require a lot of effort, time or dishes to dirty. 
  • Keto friendly – Instead of using flour and sugar like the key ingredients found in traditional donuts, this recipe uses almond flour, protein powder and sugar free sweetener, keeping it low carb and only 2.5 net carbs for one donut!
  • No eggs necessary – Most low carb donut recipes require eggs, but with this recipe, I realized it wasn’t a necessary ingredient. They will rise and puff up when fried without the egg. 

Make One Keto Donut Recipe Video

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Keto Cake Donut Ingredients

Sugar-free Glaze Ingredients

Single Serve Keto Donut Directions

  • Single Serve Keto Donut
  • Pouring a white thick vanilla glaze on top of donuts.


    The main substitution I get asked about with this low carb donut recipe is, “Can I substitute the protein powder?” 

    Yes! You can replace the protein powder in this recipe with either coconut flour or egg white protein powder; however, if using coconut flour, you might notice the dough is too dry or crumbly. If this happened, just add a little bit more hot water to the dough until you achieve the perfect paste texture as soon in the video above.

    Topping variations

    If aren’t a big fan of Krispy Kreme glazed donuts, you might want to top your donut with something else other than this vanilla cream glaze.

    Chocolate glaze

    To make a sugar-free chocolate glaze, melt a few tablespoons of keto chocolate chips with 1/4 to 1/2 teaspoon of coconut oil. Dip the donut into this glaze and let sit to set.


    An easy topping is to spread on your favorite low carb jam or jelly on top of the donut.

    A stack of glazed donuts covered with colorful rainbow sprinkles.

    Storage information

    I’m confused. You didn’t eat your donut and want to know how to store it?? I would have already eaten it as soon as it was ready, but to each his own.

    Store your donut in an air-tight container at room temperature for 1 day or in the refrigerator for 2-3 days. However, this donut is best consumed right away.

    You could freeze the donut for up to 1 month if stored in an air-tight container or freezer safe bag, but again, I question your life choices.


    Single Serve Keto Donut: FAQS

    My donut dissolved when I went to fry it. What happened?

    Revisit the instructions. Remember, how I told you to fry the donut at a low temperature? That's probably your problem. You fry the donut at a higher temperature oil and the donut dissolved. I have a gas stove and set my burner to low or medium-low.

    Can I bake my donut in the air fryer?

    You can bake this donut in the oven or air fryer; however, for best result I recommending frying it. You donut can be air fried at 325°F for about 6-8 minutes.

    Can I add additional sweetener to the donut?

    Yes, if this keto donut isn't sweet enough for your palate, add more sweetener. I didn't add much to this base recipe since I top mine donuts with a Krispy Kreme glaze.

    Nutritional information & Macros

    Nutrition Information

    Single Serve Keto Donut

    Servings: 1

    Amount Per Serving
    Calories 320
    Fat 27.4g
    Protein 11.5g
    Total Carbs 6g
    Net Carbs 2.5g

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