After I made the brownie mug cake which I absolutely love, I couldn’t help but wonder if I could do anything to improve on it.

So of course the first thing I thought was to experiment with Nutella. I’ve had nutella lava brownies before and decided to try to do something similar. Since the brownie is enclosed in a mug, it’s hard to have a real lava flowing effect when you break into the cake, but you can create a liquid gooey center of Nutella that comes up with a spoonful of brownie.

I was worried that the Nutella might sink to the bottom, but it was thick enough to bake right in the middle of the brownie. From the outside the brownie looked the same. But dig in and you’re treated to a rich brownie plus some melty Nutella. This was soo good.

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Nutella lava brownie mug cake

Ingredients:

2 oz semisweet chocolate chips (or chopped chocolate)
2 tablespoons butter
1 egg
4 tablespoons sugar
2 tablespoons flour
3 tablespoons of Nutella

Directions:

1. Select two microwave safe mugs. In each mug place one tbsp of butter and 1 oz of semisweet chocolate. Microwave each mug for 40 seconds (microwave them separately). Remove and stir until chocolate is completely melted with a small fork.
2. Add 2 tbsp sugar to each mug and stir. Beat egg in a small bowl, add half to each mug and mix. Add in 1 tbsp flour to each cup and mix until smooth. Add in 1 1/2 tablespoons of Nutella into the cup, trying to center it in the middle of the batter (you don't need to squish down as the Nutella will start to sink and the cake will rise over it when baking.
3. Cook each brownie for 1 minute in microwave (do each separately). Serve while warm.

   

56 Responses to “Nutella lava brownie mug cake”

  1. Alyssa — December 23, 2011 at 9:23 am

    Yum, perfect for that small bite of sweetness after dinner! Nutella makes everything better!

    • Kirbie replied: — December 23rd, 2011 @ 9:31 am

      I agree!

  2. Manda — December 23, 2011 at 11:37 am

    Oh Nutella…that will definitely make that brownie recipe all the more deliciouser.

    I love all of your mug cake/brownie recipes!

    • Kirbie replied: — December 23rd, 2011 @ 11:56 am

      Thanks! I plan on trying out many more.

  3. Jesica@ Pencil Kitchen — December 23, 2011 at 3:00 pm

    I love my mugs~ mostly for the coffee i drink! But nutella is forever one league higher!

    • Kirbie replied: — December 24th, 2011 @ 10:55 am

      So true! I might need to buy more mugs for all these mug cake variations!

  4. Kay — December 24, 2011 at 1:25 pm

    I am loving all of your mug cakes!!

    • Kirbie replied: — December 24th, 2011 @ 6:23 pm

      Thanks! I’m sort of curious how far I can with mug creations.

  5. Marissa — February 4, 2012 at 7:27 pm

    This is my favorite mug recipe by far – so easy and delicious!! Try adding banana slices to the mix as well…. So tasty!

    • Kirbie replied: — February 4th, 2012 @ 9:07 pm

      Interesting. bananas? I need to try that out. I think this one is my favorite one too. The chocolate flavor is so intense and the Nutella adds a little something extra.

  6. aliastaken — February 6, 2012 at 11:52 am

    Re: how far you can go, how about a coffee cake version?

    • Kirbie replied: — February 6th, 2012 @ 12:22 pm

      Ah good idea! I’ll work on it!

  7. em — February 16, 2012 at 5:53 pm

    Would this still work without the sugar?

    • Kirbie replied: — February 17th, 2012 @ 9:23 am

      I haven’t tried it but I think it may not be sweet enough and will taste off. I recently made a flourless nutella cake and I tried not adding the sugar and it just didn’t taste very good.

  8. Ali — March 12, 2012 at 1:55 pm

    Sounds incredible! So these ingredients make 2 mug cakes? Is the flour just ordinary all-purpose or should it be self-raising?

    • Kirbie replied: — March 12th, 2012 @ 2:26 pm

      Just ordinary all purpose flour =)

  9. Mam — March 29, 2012 at 5:07 am

    Absolutely I become your mug cakes fan!

    • Kirbie replied: — March 29th, 2012 @ 8:48 am

      Yay! Happy to hear that

  10. Claire — May 15, 2012 at 10:46 am

    Wow! They look amazing!

    • Kirbie replied: — May 15th, 2012 @ 3:46 pm

      It tastes amazing too

  11. Tanya — May 26, 2012 at 7:24 am

    It looks incredible but is it okay if I make it without egg?
    And it takes about 5 mins right?
    You don’t need to use any ready made brownie?!

    • Kirbie replied: — May 28th, 2012 @ 8:09 pm

      Actually you do need the egg for this recipe to work. And yes it only takes about 5 minutes.

  12. Tanya — May 28, 2012 at 10:13 pm

    But I really am not allowed to eat egg.
    Anything I can substitute the egg with?

  13. Abby — September 18, 2012 at 7:13 am

    Made it, it’s awesome. I cut the sugar to 1 TB each mug & 1 TB Nutella each mug and it was plenty sweet for me & hubby.

    • Kirbie replied: — September 18th, 2012 @ 8:26 am

      I’m so glad you like! this is one of my favs

  14. nuraini — November 17, 2012 at 6:37 am

    TRIED IT AND IT’S SOOOOO GOOOOODDDD!! super love it! thanks! :D

    • Kirbie replied: — November 17th, 2012 @ 8:22 am

      Yay!!

  15. Claire L — January 20, 2013 at 8:54 pm

    My friends and I had a Kirbie’s Mug Cakes and movie watching night recently. My best friend and I made this mug cake and we both loved it – the cake was dense and the nutella on top was so melty and gooey and delicious! It was positively divine. We added just a bit of expresso powder to give it a little coffee-flavor edge, too. Thanks so much for sharing the recipe!

    • Kirbie replied: — January 21st, 2013 @ 9:26 am

      I’m so glad you two enjoyed it! I love hearing about good experiences. I also like the idea of adding the espresso powder.

  16. carla — January 31, 2013 at 5:45 pm

    sooo goood i made it when my parents were gone for like ten minutes.I loved it. i used unswetened chocolate and a little bit more sugar delicious!!!

    • Kirbie replied: — February 1st, 2013 @ 9:29 am

      So glad you liked it!

  17. Karen — March 11, 2013 at 9:15 pm

    Hi Kirbie,
    So excited to try out this recipe.
    But I was just wondering, since I live in Australia, if this recipe would work if I used the Australian measurement for a tablespoon?

    • Kirbie replied: — March 12th, 2013 @ 8:39 am

      I’m not sure..is the Australian tablespoon measurement different? I thought it was the same everywhere..

  18. Paloma — March 12, 2013 at 1:53 pm

    Absolutely delicious! I was craving quite a bit and made the entire recipe in one big mug, it ended up spilling over so i had to split it with my brother. But this tastes amazing! And satisfies those chocolate cravings :) Thanks for the recipe!

    • Kirbie replied: — March 12th, 2013 @ 1:57 pm

      So glad you enjoy this one as much as I do!

  19. Karen — March 13, 2013 at 12:25 am

    Yes,the measurements are different; the Australian tablespoon measurement is 20mL, whereas the American tablespoon measurement is 15mL. Would the recipe still work if I used the AU measurements? Or might I have to scale it down a bit?

    • Kirbie replied: — March 13th, 2013 @ 8:24 am

      Yes, then you will have to scale the measurements down.

  20. Emily Myers — March 24, 2013 at 7:36 pm

    Hi this mug cake is really good!!! made it for the very first time and definitely won’t be the last! haha! but can the egg give you salmonella? I know you have to microwave it and all, but does that cleanse the disease germs from the egg? thnxs!

    • Kirbie replied: — March 25th, 2013 @ 8:33 am

      The egg is completely cooked just like if you were to bake the brownie.

  21. Savie Bee — April 4, 2013 at 8:46 pm

    Holly Macerole! I found this and tried it right away, seriously the best brownie in a mug I’ve ever had =) Thank you!

    • Kirbie replied: — April 5th, 2013 @ 8:21 am

      So glad you like it!

  22. ham — April 24, 2013 at 11:06 am

    I made this without egg- a substitute I found awhile back is to use water (a tablespoon or so) and a pinch of baking soda. It worked well in this recipe. This was the best mug cake/brownie recipe I’ve tried! The batter was pretty tasty too…it almost didn’t make it into the microwave.

    • Kirbie replied: — April 24th, 2013 @ 2:30 pm

      I will have to try that substitute next time!

  23. banan — May 30, 2013 at 11:34 pm

    Ok, I just tried this recipe for the first time…it was awesome! I’ve been on a health kick for the last 3 months, and this was my first sugary food in the last three months. It was super easy, and I definitely got my chocolate fix. The only thing is it was too sweet for me, so I think I will cut the sugar and nutella in half next time. That is no criticism of the recipe though, I believe my tastebuds have simply adjusted since I rarely eat processed foods or anything sweet (except fruit).
    Thanks for sharing!

    • Kirbie replied: — May 31st, 2013 @ 8:34 am

      I’m glad you enjoyed it. And yeah I can see how this may be super sweet after not eating sweets for months.

  24. Bhavana — July 7, 2013 at 11:17 am

    Arghhhhhsome kirbie…m having it ryt now…best taste ever…xoxoxo

    • Kirbie replied: — July 7th, 2013 @ 9:31 pm

      haha

  25. Wendy — January 4, 2014 at 5:31 pm

    My god that was way too sweet for me, but still good. I’ll make it again, but I will definitely cut the sugar in half!

    • Kirbie replied: — January 6th, 2014 @ 1:43 am

      I always find brownies in general to be too sweet but still delicious, so that is how I created mine as well. I’m glad you still enjoyed it despite it being too sweet.

  26. Keerthana — January 10, 2014 at 2:54 pm

    I just made this, and I think the egg created a very rubbery texture. :( Should I have just used the egg yolk, and not the whole egg?

    • Kirbie replied: — January 11th, 2014 @ 11:15 pm

      Using the whole egg should be fine. I haven’t had any rubbery issues with this cake. Are you sure you added enough chocolate chips? And did you make sure to make this as two mug cakes? It’s hard to get the brownie texture if you cook it as one big one.

  27. Bhagyashree — February 25, 2014 at 3:44 am

    I am from India and I don’t know how I found your blog but I am currently totally addicted to it! I love your 5 minute recipes and also the recipes with minimum ingredients! Going to try everything soon! Thank you sooo much!

    P.S. – I absolutely love how you reply to each and every comment on your blog! keep up the good work! :)

  28. kendall — September 28, 2014 at 4:06 pm

    If I don’t want to do two separate mugs, but I don’t want to halve the recipe, could put all of it in one massive mug and cook it a little bit longer? I have a HUGE mug that would probably work.

    • Kirbie replied: — September 28th, 2014 @ 8:47 pm

      the main reason for the division is the texture. if you try to make it as one, the texture never gets chewy and stays cakey.

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