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Orange & Chocolate Chip Keto Mug Cake

4.3 stars, average of 26 ratings

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I love mug cakes because they are so simple and versatile!

Just like my Nutella Mug Cake, this orange & chocolate flavoured mug cake is fluffy, delicious and takes less than a few minutes to prepare. It's a healthy sugar-free dessert that is high in healthy fats and fibre, enough to keep hunger at bay!

Tips for Substitutions

If you want to make the recipe nut-free, use 1 tablespoon of coconut flour instead of 2 tablespoons of almond flour. For a coconut-free version, use 2 tablespoons of almond flour instead of 1 tablespoon of coconut flour. If you don't have coconut flour, you can use 2 tablespoons of finely shredded desiccated coconut instead.

This mixture will make 2 mug cakes. Instead of the listed sweeteners, you can try other healthy low-carb sweeteners from this list.

Tips for cooking in the oven: If you don't have a microwave, I suggest you make 4-8 servings at once. Preheat the oven to 175 °C/ 350 °F (fan assisted), or 195 °C/ 380 °F (conventional) and cook for about 15 minutes or until cooked in the centre.

Too Eggy?

Although I like this combination, some of you may perceive it as too "eggy". You can try the following: use one egg, double all the dry ingredients and add 1/4 cup coconut milk, almond milk or cream.

Hands-on Overall

Serving size 1 mug cake

Allergy information for Orange & Chocolate Chip Keto Mug Cake

✔  Gluten free
✔  Dairy free
✔  Nightshade free
✔  Pork free
✔  Avocado free
✔  Fish free
✔  Shellfish free

Nutritional values (per serving, 1 mug cake)

Net carbs6.3 grams
Protein12.9 grams
Fat33 grams
Calories390 kcal
Calories from carbs 7%, protein 14%, fat 79%
Total carbs11 gramsFiber4.7 gramsSugars4.1 gramsSaturated fat17.9 gramsSodium216 mg(9% RDA)Magnesium80 mg(20% RDA)Potassium296 mg(15% EMR)

Ingredients (makes 1 mug cake)


  1. Place all the dry ingredients in a mug or a ramekin and combine well. Crack in the egg. Orange & Chocolate Chip Keto Mug Cake
  2. Add coconut oil.
    Orange & Chocolate Chip Keto Mug Cake
  3. Add freshly grated orange peel. Optionally, add stevia and mix well.
    Orange & Chocolate Chip Keto Mug Cake
  4. Top with dark chocolate chips or chopped dark chocolate. Orange & Chocolate Chip Keto Mug Cake
  5. Microwave on high for 30 seconds. Use a spoon and give the chocolate topping a little whirl. Place back in the microwave for another 40-60 seconds.
    Orange & Chocolate Chip Keto Mug Cake
  6. Enjoy or store at room temperature for up to a day. Refrigerate for up to 5 days or freeze for up to 3 months. Orange & Chocolate Chip Keto Mug Cake

Ingredient nutritional breakdown (per serving, 1 mug cake)

Net carbsProteinFatCalories
Almond flour (blanched ground almonds, almond meal)
1.4 g3.4 g8.4 g94 kcal
Coconut flour, organic
1.3 g2.1 g1.8 g44 kcal
Baking soda, raising agent (bicarbonate of soda)
0 g0 g0 g0 kcal
Erythritol (natural low-carb sweetener)
1 g0 g0 g4 kcal
Orange peel (zest), fresh
0.3 g0 g0 g2 kcal
Egg, whole, fresh, raw (free-range or organic eggs)
0.4 g6.3 g4.8 g72 kcal
Coconut oil, extra virgin
0 g0 g13.5 g121 kcal
Dark chocolate, 85% cocoa (cacao)
2 g1.1 g4.6 g53 kcal
Total per serving, 1 mug cake
6.3 g12.9 g33 g390 kcal

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Martina Slajerova
Creator of

Martina Slajerova

I changed the way I ate in 2011, when I was diagnosed with Hashimoto’s, an autoimmune disease that affects the thyroid. I had no energy, and I found it more and more difficult to maintain a healthy weight.

That’s when I decided to quit sugar, grains, and processed foods, and to start following a whole-foods-based ketogenic approach to food.

Let us know what you think, rate this recipe!

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Comments (21)

Hey Martina,
hope you and your loved ones are doing well. This looks like an awesome recipe. Could you please guide on how should I increase the ingredients if I needed to make this as a whole cake and not in a mug.

Thank you Althia! I am thinking you could use this recipe (the sponge): Low-Carb Strawberry & Cream Cake
I'd skip the lemon zest and instead add grated orange zest (from 1 to 2 oranges) and chopped chocolate or chocolate chips to it. It's not exactly the same but very similar. I hope this helps!

Hi Martina,
Can I ask a really obtuse question, do you add both the almond flour and the coconut flour, or is it one or the other?  I'm sorry, but it isn't entirely clear from the substitution paragraph as the measures are exactly the same.
Anyway, looks like a great recipe and I can't wait to give it a try.
Thanks for the great work.

Hi Sen, I use both coconut and almond flour - all ingredients as listed above the substitutions section 😊

This is so good, quick and easy to make that I had made it for breakfast two days in a row! 😊

I drive truck and have access to a microwave all the time but it's too hard to take ingredients with me so I make my meals ahead of time, would it hurt to put all the stuff together in a mug with a lid and keep refrigerated for a couple days.  Thanks for all the great recipes on here and your cookbook.

Hi Jeremy, I would personally keep the dry ingredients + orange peel and chocolate in one container (without the wet ingredients).
Mix the wet ingredients in before you make it. You can skip the stevia and just take a jar of coconut oil or ghee and some eggs so that they are ready to be mixed as needed.
Here are some other mug cakes:

Hey Martina! I have recently come across your blog and have been looking through your recipes to see what I can make on my LCHF diet! However for most of your dessert/smoothie options you use liquid Stevia drops and Erythritol, these are really hard to find in the UK and online the prices are too high along with the shipping. Is there a substitute I can use for these items?

Hi Nina, I live in the UK too - here are the best deals:
Erythritol - this one will last forever and is fairly inexpensive 😊:
Stevia drops  (vanilla and clear are best): - it may look expensive but it will last for a very LONG time (you won't need to use more than a few drops). You can get a 2 or 4 fl oz package.

Can the stevia be omitted?Should I add a bit more peel/zest to make upm for it?

Hi Kirio, yes, you can skip that completely or use a tablespoon of Erythritol instead. I don't think the zest would add any sweetness to it.

I see all these ___ in a cup... but we don't do microwaves.  How do you do them in the oven?

Hi Summer, tips for oven baking are included in step 5 😊

I made this with palm shortening (even though I had butter and coconut oil on hand), and I used only one packet of stevia (and no other sweetener), and I used a medium egg instead of a large one. I didn't have chocolate chips, so I just made this with dried orange zest. I didn't want to wait until I had all of the exact ingredients. 90 seconds in the micro. And guess what? It came out great. I made one for me and one for my husband. He put sugar free jam on top, and I poured cream over mine (it tasted like tres leches cake, I swear.) It really hit the spot. I'm going to make it with chocolate next time, and I will make one whenever I need a dessert fix without going off plan and cheating. Awesome. Thank you!!!

That sounds yummy Daniela! So glad you liked it! 😊

This website is an absolute dream come true.  😊

Thank you so much Anastasia! 😊

Is there an error in the ingredients list above -  it says one egg 'or'  1/2 tsp dried orange peel? I assume the egg is essential! Thank you. P.S. Love your blog, app and recipes! 😊

Thanks for noticing Julie! Yes, that was supposed to be on the line below - orange peel 😊

oh yum! Totally making this!

Hope you like it Shelly! 😊