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Keto Berry Mug Cake

Bring out the berries for this Valentine’s Day

Valentine’s Day is a pretty big commercial event if you ask me. We’re constantly told we need to buy things for our loved ones and do special deeds to show our love on this day. I personally am not a big proponent of this, I like to show my love all the time, everyday. However, many folks do celebrate in some way and honestly I can just look at it as an excuse for good food. Who doesn’t love food? I’d love to know if you celebrate V-Day and what do you generally do?  Let me know.

Now last year I whipped up a decadent Keto chocolate mug cake for V-Day, for you to share with a loved one. This year I thought I’d bring out the berries. I’ve got a fruity Keto berry mug cake with a vanilla mascarpone frosting to go with it. It’s a big cake, meant for two and definitely so delicious that it will impress your loved ones. So go ahead and give it a try.

Counting carbs and calories

So there are a few components in this recipe, the berry compote which makes about 3 servings (about 50 grams each) and the vanilla frosting (which yields 2 servings). This means you will have some left overs. You can either make this mug cake twice (and be left with 1 serving of the berry compote) or you could use the remaining compete for our Keto berry swirl cheesecake. The frosting could be good over any one of our other mug cakes, I’d personally recommend the peanut butter mug cake.

So go ahead and find creative ways to use the left overs. Since you are sharing this cake (or at least eating it over a couple of sittings) I would suggest cutting it in the middle (horizontally) and either making 2 smaller cakes. Then frost each one and eat separately or pile em up over each other for a layer cake.

Keto Berry Mug Cake

Nutrition Info (Per serving)

  • Calories: 627
  • Net Carbs: 10g
  • Carbs: 15g
  • Fat: 55g
  • Protein: 12g
  • Fiber: 5g

One serving = 1 full cake with frosting. Each cake uses 1 serving of frosting and the recipe for the frosting makes 2 servings. Get this recipe on myfitnesspal.

The berry compote recipe on MFP  and vanilla mascarpone frosting on MFP.

Keto Berry Mug Cake

Keto Berry Mug Cake

A berry microwave mug cake to satisfy your sweet cravings.
4.62 from 13 votes
Prep Time 15 minutes
Cook Time 5 minutes
Total Time 20 minutes
Course Dessert
Cuisine General
Servings 2 servings


For the Berry Compote

For the Vanilla Mascarpone Frosting

For the Mug Cake


For the berry compote

  • In a saucepan add the berries and erythritol. If you are using fresh berries add like 1/2 cup of water.
  • Heat on a low flame stirring occasionally till the berries cook and you are lefty with a sticky syrupy mixture.
  • Set aside and let cool.
  • Use in your dessert recipes.

For the frosting

  • Mix together the mascarpone cheese (at room temp) and the whipping cream, vanilla extract and stevia
  • Blend well till you get a nice thicky frosting.
  • Pour into a piping bag and chill in the fridge,
  • Use to frost your cakes

For the mug cake

  • Mix the coconut flour, baking powder, berry compote, whipping cream, butter, stevia and egg in a bowl with a whisk, or directly into a mug.
  • If you use a mug just pop it in the microwave after mixing. If you want to step it up a bit, butter a ramiken and pour the mixture in
  • Microwave for 2 1/2 to 3 minutes on the highest setting. If you want to bake this then 10 minutes at 175C or till the toothpick comes out clean
  • Allow it to cool and then top with the mascarpone frosting.
  • I personally prefer this cake cold, but you can also eat it warm if you right just after it comes out of the microwave.
  • Enjoy
Tried this recipe?Let us know how it was!

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  1. Hi Sahil
    Feb 14 is around the corner Perfect timing for the BERRY BERRY DEELICIOUS MUG CAKE? HAPPY VALENTINE TO YOU AND DIPTEE.

    Teespring shipped my ENOUGH JIBBER JABBER tee shirt I will take a picture of me wearing it in Toronto and send it. I only do you tube and gmail could you send me your email address tks

  2. I loved loved this recipe. So easy to make and delicious. Made it for Valentine’s Day. 10/10 recipe. Will make it again. And yes shared between 2 it was still a good sized serving.

  3. This was the best mug cake I made – thank you – I was wondering if I can make a chocolate version (without the berry compote) and it ll be still so soft ?
    Thank you

    1. Yes it should be, you can add a TBSP of whipping cream and a tbsp of cocoa powder in place of the berries and it should work.

  4. I am confused about whipping cream. Actually I get the whipping cream which is very sweet in the market. So I can’t use that then what to do.

  5. Hi ! I totally messed up this recipe on the first try, but on the 2nd i realize I don’t know how you do the butter? Do you cut it into the flour cold or do you melt it first? Thanks!

  6. Hi what is better, to use frozen berries or dried berries? I think frozen one contains sugar. Also which brand of frozen berries did you use?

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