This 3 ingredient keto mug cake almond flour recipe is my go-to when I want dessert fast without breaking my carb count. It’s warm, soft, and ready in under two minutes. Just almond flour, an egg, and keto sweetener—that’s it. It took me a few tries to perfect the texture, but now it’s spot-on every time. If you love quick treats, you’ll also enjoy this keto mug cake recipe for more low-carb variety. In this post, I’ll share the story behind it, how to make it, and keto-friendly ways to customize your mug magic.
Table of Contents

3 Ingredient Keto Mug Cake Almond Flour – Quick, Fluffy, Guilt-Free
- Total Time: 2 minutes
- Yield: 1 mug cake 1x
Description
This 3 ingredient keto mug cake almond flour recipe is your go-to for a quick, low-carb treat. Made with almond flour, egg, and keto sweetener, it’s warm, fluffy, and ready in under two minutes.
Ingredients
2 tablespoons almond flour
1 large egg
1 tablespoon keto sweetener (monk fruit, erythritol, or allulose)
Instructions
1. Crack the egg into a microwave-safe mug.
2. Add almond flour and keto sweetener. Mix until smooth.
3. Microwave on high for 60–75 seconds.
4. Let it cool slightly and enjoy.
Notes
You can add vanilla extract, cinnamon, or sugar-free chocolate chips for variety.
Do not overcook. Adjust timing based on microwave wattage.
- Prep Time: 1 minute
- Cook Time: 1 minute
- Category: Keto Dessert
- Method: Microwave
- Cuisine: American
Nutrition
- Serving Size: 1 mug cake
- Calories: 220
- Sugar: 0g
- Sodium: 70mg
- Fat: 19g
- Saturated Fat: 2g
- Unsaturated Fat: 16g
- Trans Fat: 0g
- Carbohydrates: 5g
- Fiber: 3g
- Protein: 8g
- Cholesterol: 185mg
Keywords: 3 ingredient keto mug cake almond flour, keto dessert, almond flour mug cake
Why This Keto Mug Cake Became My Sweet Tooth Savior
The roots of this almond flour keto mug cake
Hi, I’m Adam—welcome to my kitchen, where recipes come with stories and everything’s made with heart. I grew up in a small Tennessee town, where dessert usually meant warm cobbler or fresh biscuits made from scratch. My mom’s kitchen smelled like butter, cinnamon, and joy. I stood on a stool, helping her cut biscuit dough, feeling like a real chef.
Years later, after starting my keto lifestyle, I missed those sweet, simple comforts. That’s when I started working on this 3 ingredient keto mug cake almond flour recipe. I wanted something fast, low-carb, and warm enough to bring back that cozy feeling. It had to be easy, with no mess—and it had to taste like dessert, not diet food.
I had already created a satisfying version of a vanilla protein mug cake using almond flour, so I knew that was the secret. After a few tests, I nailed the right balance. Now, this mug cake is my quick fix when cravings hit.
Why I keep making this 3 ingredient keto mug cake almond flour recipe
This 3 ingredient keto mug cake almond flour recipe checks every box: quick, healthy, and actually delicious. You only need almond flour, one egg, and a spoonful of keto sweetener. Mix it in a mug, microwave it for a minute, and you’ve got a soft, warm cake ready to enjoy.
Almond flour gives the perfect texture—light, moist, and naturally rich. It’s also packed with healthy fats and fiber, making it ideal for keto. You don’t need special skills or equipment, just your favorite mug and five minutes.
For more quick keto treats, check out my vegan protein mug cake too. But honestly, this one’s my favorite. It’s simple, cozy, and it always hits the spot.
How to Make the Perfect 3 Ingredient Keto Mug Cake Almond Flour Treat
What you’ll need and why it works

This recipe proves that simple ingredients can still deliver amazing flavor and texture. Each of the three core ingredients plays a key role in getting that soft, cake-like feel without flour, sugar, or dairy overload.
Here’s what you’ll need:
- 2 tablespoons almond flour – A keto staple with a moist, tender crumb
- 1 large egg – Binds and lifts the cake while keeping it soft
- 1 tablespoon keto sweetener – Use monk fruit, erythritol, or allulose
Optional Add-Ins (Stay Keto):
- Dash of vanilla extract
- Pinch of cinnamon or nutmeg
- 1 tsp unsweetened cocoa powder
- Sugar-free chocolate chips
Almond flour is ideal for keto mug cakes because it provides fat, fiber, and structure without carbs. I use the same base in my vanilla shakeology mug cake, and the results are just as rich.
Step-by-step method for a 2-minute keto dessert
Making this 3 ingredient keto mug cake almond flour recipe couldn’t be easier. No bowls, no prep—just your favorite mug and a fork.

Here’s the full method:
Step | Action |
---|---|
1 | Crack the egg into a large, microwave-safe mug. |
2 | Add almond flour and sweetener. Mix well with a fork until smooth. |
3 | Add any optional flavorings you like (vanilla, cinnamon, etc.). |
4 | Microwave on high for 60–75 seconds, depending on your microwave’s power. |
5 | Let it cool slightly. Enjoy directly from the mug or transfer to a plate. |
Microwave mug cakes can get rubbery fast if overcooked. Start with 60 seconds, then add 10-second intervals if needed. This is the same method I use for my protein mug cake with no egg—a great option if you’re avoiding eggs.
Customize It – Keto Mug Cake Variations You’ll Love

Add flavors, not carbs: sweet & spice add-ins
One of the best things about this 3 ingredient keto mug cake almond flour recipe is how flexible it is. You can keep it plain or take it up a notch—without adding sugar or carbs.
Here are some keto-friendly flavor add-ins that I’ve tried and loved:
- Vanilla extract – Just ¼ teaspoon brings out a bakery-style flavor
- Cinnamon or pumpkin spice – Add a dash for a warm, cozy bite
- Unsweetened cocoa powder – One teaspoon creates a rich chocolate version
- Almond extract – Use sparingly for a strong, nutty aroma
- Sugar-free chocolate chips – A small sprinkle goes a long way
Each of these keeps the net carbs low and the texture light. The almond flour base handles these mix-ins beautifully, which is why it also works well in recipes like this shakeology mug cake. You don’t need a full pantry to enjoy a new flavor every time.
Make it nut-free, dairy-free, or egg-free
Need to change things up for dietary reasons? This 3 ingredient keto mug cake almond flour can be easily adapted.
- Nut-free version: Swap almond flour for sunflower seed flour or coconut flour (start with 1 tablespoon and test texture)
- Egg-free version: Use a flax egg (1 tbsp ground flax + 3 tbsp water) and increase the cook time by 10–15 seconds
- Dairy-free version: It’s already dairy-free unless you add butter or chocolate chips—but you can use coconut oil if needed
For those who avoid eggs, I’ve created this protein mug cake no egg version that works just as well. These tweaks won’t ruin your cake—they simply give you options.
Remember, not all swaps perform the same. Test small batches to find the balance that works for you. That’s part of the fun with mug cakes: you get to try again in just a few minutes.
Keto Nutrition – What’s Inside and What to Know
Carbs, macros, and the almond flour difference
People often ask how many carbs are in a keto mug cake. The answer depends on your ingredients—but with almond flour, you’re staying low. This 3 ingredient keto mug cake almond flour recipe keeps things lean while still tasting rich and satisfying.
Here’s a breakdown based on one serving made with:
- 2 tablespoons almond flour
- 1 large egg
- 1 tablespoon erythritol (or monk fruit)
Nutrient | Amount per Serving |
---|---|
Calories | 220 |
Net Carbs | 2g |
Fat | 19g |
Protein | 8g |
Fiber | 3g |
This is why almond flour is such a solid pick for keto. It’s low in carbs, but full of healthy fats and fiber. You’ll find the same benefits in my almond flour mug cake, where it gives a soft texture without spiking your blood sugar.
Smart mug cake tips for consistent results
To get this 3 ingredient keto mug cake almond flour just right every time, it helps to follow a few key tricks:
- Use a wide, microwave-safe mug to avoid overflow
- Don’t overmix—stir just until smooth
- Start with 60 seconds cook time, then check. Add 5–10 seconds more if needed
- Let it sit for 1 minute after cooking to finish setting up
Microwaves vary, so your perfect timing might be different than mine. Keep an eye on it the first time, then adjust. Once you’ve got your ideal time and mug, you’ll be able to make this cake without thinking twice.
Want more single-serve recipes like this? Try my protein mug cake for another easy win.
Looking for more daily keto inspiration?
Follow me on Pinterest and Facebook for new low-carb recipes every day—straight from my kitchen to yours. I share quick tips, behind-the-scenes cooking, and fresh ideas to keep your keto journey exciting and delicious.
Frequently Asked Questions
How to make a mug cake with 3 ingredients?
It’s easy. For this 3 ingredient keto mug cake almond flour recipe, just mix almond flour, an egg, and a keto-friendly sweetener in a microwave-safe mug. Stir until smooth, microwave for about 60 seconds, and let it cool slightly before eating.
Is almond flour OK for keto?
Yes, almond flour is one of the best flours for keto baking. It’s low in net carbs and high in healthy fats and fiber. That’s why it’s the star of this 3 ingredient keto mug cake almond flour recipe—it gives structure without adding unnecessary carbs.
How to make almond mug cake?
To make an almond mug cake, combine almond flour with a binding ingredient like an egg and a keto sweetener. Microwave the mixture in a mug until cooked. This version uses exactly three ingredients for a soft, satisfying texture.
How many carbs are in a keto mug cake?
Most versions of this 3 ingredient keto mug cake almond flour treat contain around 2–3 net carbs per serving, depending on the sweetener used. Always check your specific ingredient labels for accuracy.
Conclusion

This 3 ingredient keto mug cake almond flour recipe is the easiest way to enjoy dessert without the sugar crash. It’s fast, delicious, and flexible enough to suit your cravings or macros. Whether you stick to the base recipe or add in a few flavor twists, you’ll always end up with a warm, keto-friendly treat in minutes.
If you’ve enjoyed this recipe, explore more like it in my almond flour mug cake or try a twist with the shakeology mug cake. Thanks for stopping by—see you in the kitchen!