Slow Cooker Chocolate and Mint Aero Bubble Cake – a delicious chocolate fudge cake baked in the slow cooker with Mint Aero Bubbles! Baking in the slow cooker is so easy. The most popular recipe on my blog. Look in my Slow Cooker Desserts for loads more slow cooker cakes and bakes!
So it is Good Friday and I am bringing you …..more chocolate! Well it can’t be avoided, this is the time of year for it after all. 🙂
This slow cooker chocolate and mint aero bubble cake is a cake with a difference as it is made in my slow cooker (3.5 litre oval slow cooker).
I decided to make a slow cooker chocolate and Mint Aero Bubble cake quite simply because I wanted to see the Aero Bubbles in a cake!
I have seen Maltesers and similar being used in traybakes (do make the Malteser traybake, it is delicious!) but I wanted these to go in a cake, not a no-bake or brownies.
I thought the cake would look great when sliced as you would see the green circles against the dark brown chocolate cake, as well as the bubbly texture of the bubbles against the velvety cake.
Well that was the idea anyway!
I saw in the traybake etc recipes that sometimes they froze the Maltesers or Aero bubbles overnight so they didn’t melt when baking.
I didn’t have the patience for that so just went for it.
Sometimes you just want cake then and there, am I right.
Ready to start baking! The base is lined with baking paper.
I would line the sides of the pot too to make it easier to get out!
This is what it looked like after 45 mins.
The edges are becoming firm and the Aero bubbles are melting! Just look at that rich chocolate colour, mmmmm.
Another hour later, after adding more Aero Bubbles in the centre.
The cake is starting to firm up.
Finished, after two and a quarter hours. Yummy, rich and fudgy chocolate cake topped with minty chocolate!
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If you like this recipe, make sure you look at my guide to baking in a slow cooker with loads more slow cooker cakes, desserts and bread recipes! If you have any questions do leave a comment, I reply to as many as I can!
See also my Slow Cooker Archives for loads more slow cooker recipes including family recipes.
Pin my slow cooker mint aero bubble cake recipe for later:
Recipe
Slow Cooker Chocolate and Mint Aero Bubble Cake
Ingredients
- 190 g (1.5 cups) plain flour (all-purpose flour)
- 1 tsp baking powder
- 50 g (0.66 cups) cocoa powder
- 200 g (0.9 cups) light brown sugar
- 125 g (4.5 oz) butter
- 3 eggs
- 180 ml (0.75 cups) milk I used semi-skimmed
- 1 large share bag of Mint Aero Bubbles
Equipment
Instructions
- Grease and line the slow cooker bowl.
- Mix the flour, baking powder and cocoa powder in a large bowl.190 g / 1.5 cups plain flour (all-purpose flour), 1 tsp baking powder, 50 g / 0.66 cups cocoa powder
- Cream the butter with the sugar then add the eggs slowly, mixing after each addition.200 g / 0.9 cups light brown sugar, 125 g / 4.5 oz butter, 3 eggs
- Add the milk and whisk until smooth.180 ml / 0.75 cups milk
- Fold in the flour mixture.
- Pour the cake batter into the slow cooker bowl.
- Add about half the Mint Aero Bubbles, scattering them over the top.1 large share bag of Mint Aero Bubbles
- Put the lid on and turn the slow cooker onto high.
- Cook for 2-3 hours on high until firm.
Becky says
I’ve done carrot cake in my slow cooker which turned out lovely so keen to try this one. never done any sort of chocolate cake what cocoa powder do you use please
bakingqueen74 says
Hi Becky, I use whatever cocoa powder I have in ie supermarket own, Bournville, Green and Blacks.
Rachel's says
oh my god! The only thing wrong with this recipe is IT TAKES SO LONG!!!!! I just can’t wait that long! Going to try it though x
Hamish McIntosh says
thank you very much ☺
Hamish McIntosh says
do you use a tea towel under the lid to absorb the condensation for this cake, thanks in advance.
bakingqueen74 says
Hi, I didn’t for this cake as I remember but do use one if you prefer, I find the tea towel helps it to cook quicker too.
Laura Dive says
This recipe looks and sounds absolutely AMAZING!!
I WILL be making this very soon 🙂
What if before tipping the mixture into the slow cooker if i stirred in some of the bubbles? Do you think that’d just automatically melt the bubbles?
bakingqueen74 says
Hi Laura, if you freeze them first it might work! The only way to find out is to try it, let me know how you get on! 🙂
Kerry says
Also coating the bubbles after freezing means that they don’t all sink to the bottom… Also good advice for fruit in cakes 🙂
Great recipe!!! Love my s/c
becki watson says
I have a 6.5l s.c would I just double up the recipe and time or would that not work. Ive never done a cake in s.c before so thanks for any tips x
bakingqueen74 says
Hi Becki, you could double up the amounts but it would still normally take 1-2 hours approx on high. Or you could do it in a cake tin inside your s.c. if you want a nicer shape (not so flat, and round). Good luck!
Amy says
Many Thanks! Looking forward to trying it!
Amy says
Hi, Just a quick (possibly quite blonde question); you say to grease and line the bowl of the slow cooker but in the pictures it doesn’t look like you did that? I assume you mean use grease-proof paper to cover the bottom and the sides of the bowl otherwise it wouldn’t come out? Is that right?
I’m not the biggest fan of mint aero, but want to try out making the cake in the slow cooker for sure! Thinking of other things I could exchange the aero for! Thanks, Amy
bakingqueen74 says
Hi Amy, yes I did butter the inside of the bowl and line it around the bottom and sides with grease proof paper (cut to shape so it fit snugly). You could also use a large cake case (get them in poundshops). Other things you can use are mars bars, maltesers, fudge pieces, choc buttons etc etc. enjoy!
Karen arneil says
Try orange aero bar broken up .it tastes great
Winnie says
First – this cake looks fantastic !!
And second – I’ve never baked a cake in a slow cooker and I’m intrigued 🙂
Susan says
Looks lovely. I’ve got a large slow cooker so I’m wondering if I could put the cake in a regular cake tin inside the cooker? If so would you need to put water in the base of the cooker around the cake tin?
Many thanks 🙂
bakingqueen74 says
Hi Susan, yes some people use a normal cake tin on top of an upturned saucer or similar, with a little water in the base of the pot. Good luck and let me know how it turns out!
Susan says
Great, thanks 🙂
Lynsey says
I’m interested in using a normal cake tin. How much water would u put in? Should the water touch the cake tin if it is sitting on a saucer or only as far up as the saucer? This looks lovely by the way!!!!
bakingqueen74 says
I would put an inch or so in and just keep an eye that it doesn’t boil off (I doubt this would happen though). Good luck! 🙂
Alison says
Oh my goodness, this looks lovely. I never knew you could do cake in a slow cooker, must try it
Rebecca U says
Wow this looks amazing. Have just pinned it #recipeoftheweek
Melanie says
Hi I use this recipe to make malteser cake or galaxy counters cake but I use a large cake case in the slow cooker to save all the messing lol thanks for sharing xx
tracey says
Hi. Have cooked this for about 2 hrs 20 mins. All the top has holes in. How did you get the cake out of the slow cooker, did you leave it to cool first ??
bakingqueen74 says
Hi Tracey, I let it cool for a few mins then used the grease proof paper to pull it out. Then left on a rack to cool fully. Hope that helps!
Sam says
Great idea, did this today cooking times vary slightly mine took just over 3 hrs but is amazing !!! Thanks for the idea will be keep this for another time
bakingqueen74 says
Great, glad you liked it Sam!
Donna Drew says
Just put mine in now for Crochet group they enjoyed the giant cookie last time.
bakingqueen74 says
Great Donna, hope you all enjoy it!
Allison Webb says
Made it for the first time today and it was delicious! Not stodgy and not too sweet! Thanks for the recipe. I was suprised by how much it rose and I had the lid off a few times to check it was cooked.
bakingqueen74 says
Glad you liked it Alison, thanks for visiting!
Helen says
Hi, I’m just wondering what you line the slow cooker with in step 1? I’ve never done a cake in it before. This recipe looks lovely. Thanks
bakingqueen74 says
Hi Helen, I use grease proof paper to line the base, and grease the sides. I find it helps when removing the cake. Let me know how you get on, glad you like the recipe!
jeanette byatt says
i didnt think you could use a slow cooker unless it had water in it, is itsafe to use without liquid mine says to make sure it doesnt boil dry ?
bakingqueen74 says
Hi Jeanette, mine have always worked fine, one is a Crockpot which can be used dry. You could always use a metal or silicone cake pan and put some water under it if you are worried about your slow cooker cracking. Good luck!
lynda says
I’ve just made it for the first time. a flat warming cake for our grandson who is leaving home tomorrow. It looks really good, can’t wait to taste it! One thing though, I stopped it with still 20 mins to go because it smelt like it may be burning. One side seems to be solid rock on the bottom but the other side feels ok. Fingers crossed!!
Emma says
If you grease your slow cooker with butter then dust all over that with flour, it saves the need for greaseproof paper. 🙂
bakingqueen74 says
good tip. easier to get out with greaseproof though, it gives you something to pull on!
Pat says
A note for myself – as we are dairy free will use Raspberry Ruffle bars chopped up and Pure soya spread in place of butter and goat milk
bakingqueen74 says
Sounds great Pat, I hope it works out well for you dairy free!
Tracey says
Thanx for this tip. We are also dairy free and had no idea that raspberry ruffles were dairy free.x
Laura@Baking in Pyjamas says
That looks very fudgy, I can imagine it’s the kind of cake that clings to the top of your mouth, yum! Thanks for linking up to Sweet and Savoury Sunday, stop by and link up again. Have a great weekend!!
bakingqueen74 says
Thanks for visiting Laura, I will be back this week!