Molten Mug Chocolate Cake
Member recipe

Molten Mug Chocolate Cake

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(23 ratings)

Member recipe by

Cooking time

Servings

Serves 2

This decadent chocolate cake recipe is perfect for a late night treat. Add a dollop of peanut butter in the middle for an added bonus!

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Ingredients

  • Ingredients
  • 1 coffee mug
  • 4 Tbsp. cake flour (plain, not self-rising)
  • 4 Tbsp. sugar
  • 2 Tbsp. cocoa
  • 1 egg
  • 3 Tbsp. milk
  • 3 Tbsp. oil
  • Small splash of vanilla
  • 3 Tbsp. chocolate chips, optional
  • 1 teaspoon peanut butter, optional

Method

    1. Add dry ingredients to mug, mix well with a fork.
    2. Add egg, mix throughly.
    3. Pour in milk, oil and vanilla, mix well.
    4. Add chocolate chips if desired. Push a dollop of peanut butter into the center of the batter if desired.
    5. Put mug into microwave and cook for three minutes on 1000 watts. Cake will rise over top of mug. Allow to cool for 2 minutes.

Comments, questions and tips

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Comments

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Ktjd's picture
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Well it worked well for me with couple of tweaks inspired by the comments and addition of coffee to give a mocha edge! But I was determined to mix-make-bake it ALL in the one mug as that's the point, so no separate bowls for me...

I used self raising flour (think it def needs to be SR or plain with baking powder) but as I have coeliac's, it was gluten free... Plus 3 tbsp caster sugar, 2 tbsp cocoa powder - mixed really well in mug.
Added one egg, and again mixed v thoroughly until a paste.
Added 3 tbsp sunflower oil and then 1 tsp instant coffee dissolved in 3 tbsp semi skimmed milk. Another good mix. No extras and cooked 2.5 mins in 800w machine on full power... Yum scrum!
PS. I made it in a humongous 500ml Cath Kidston mug (not sure the brand made much difference but it did look pretty ;)

emmap91's picture
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3 minutes is WAY too long. It came out horrible and rubbery, put me off trying to make it again!

Alexhopkinson's picture

After looking at the comments I've come up with the perfect recipe that produces a light, moist chocolate sponge cake (although not molten)
Recipe:
4tbsp self raising flour
2tbsp soft light brown sugar
2tbsp caster sugar
2tbsp cocoa powder

Approx 2tbsp of melted unsalted butter (I say approx as I just cut off about a 1/2 cm slice off of a block)
Splash on vanilla extract
4tbsp milk
1 egg

Method:
Mix the dry and wet ingredients separately then mix together (I would do this in a cereal bowl)

I then poured half the mixture into a mug and added a few chocolate chips and put in the microwave for 1 min on 900w

The only issue I found was the chocolate chips sunk to the bottom however this could be rectified by coating the chocolate chips in flour before adding

And done, the only thing I would do next time is add a scoop of ice cream once done but I didn't have any at the time!

Hope this works for everyone

naiseyj's picture

I just made this and it tasted great. Did exactly as the recipe said. Only used the one mug and cooked it for the 3 minutes. Turned out beautiful, raised nicely and was light and fluffy. Didnt add the peanut butter but did use the choc chips. Won't hesitate to use it again

Purplecrazyhorse's picture

I made it without chocolate chips but only cooked for 1min 30secs in our microwave (800w) so there was a bit of goo still in the mug (yummy). Cooking for the full 3 mins made a very dense cake, hot and quite tasty though, but I found it dry. Hence trying again but not cooking for so long!

riogg's picture

I made this last night and, I'm not going to lie, I ate the whole lot! Although I did make it in a bowl (there is no way this mixture would fit in a mug!) and with self raising flour instead of plain. 3 mins would be too long in my 800w but 2 mins was ok. Today I made this as an after school snack and split the mixture between two mugs and cooked for 1 min each. It's not a "molten" cake, but for a quick chocolate cake fix it's great (especially when you put orange flavoured chocolate spread in the middle!).

BooRadley99's picture
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This was not a success for me. I didn't read the comments first, and probably should have.

Firstly, there is WAY too much egg in this. I made the recipe exactly according to the instructions, split the mixture between two mugs, and microwaved the first for two minutes. It came out a solid, dense, rubbery mass. I swear if I had dropped it, it would have bounced.

The second time I microwaved the mug for 40 seconds. It was much better - slightly gooey in the middle - but still way too rubbery and dense because of the egg. This recipe has no leavening agent in it at all either, which is unusual. I also found the oil gave it a really strong oily taste.

If you're going to attempt this recipe, be prepared to experiment until you get it right. I'd recommend lightly whisking the egg (just enough to combine white and yoke, not to make it frothy) and only using half of it, and try to avoid overcooking. My microwave tends to just blast everything with near-nuclear heat, so it helps to know your microwave. If I give this another go, I might try half plain flour and half self-raising.

erynsmum's picture
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Haha, I dropped the top of mine and it actually bounced!

I wish I had read the comments before I started as I just used the last of the cocoa :(

fenellabella's picture

Very tasty... Perfect for a mid-week treat! I made it in a small bowl instead of a mug and added some mini-marshmallows! I also only had self-raising and it still worked out well. Gooey and spongy! :)

PinkEgg's picture

I have just made this for the first time and it turned out great, i used an overly large mug due to some of the comments made about overflowing and i cooked it for 2 mins in an 800w microwave, i stuck to the ingredients list above and even added the peanut butter and i have to say i was well impressed with how it turned out, it's not a spongy mix but more of a batter but it stays incredibly moist (and HOT) and i added some double cream which made it really tasty and toned down the richness, i agree with another poster about this being more than enough for 2 people, i didn't finish my cup, there was loads! I shall definitely make this again when the Chocolate Cake craving hits!

marbo's picture

You people seem to have missed a very important part of the recipe title. It is a MOLTEN cake, which means it is NOT a regular cake! It should be gooey, not spongy! Molten cakes have a runny center. Do not add baking powder or use self-rising flour! I agree the 3 minutes sounds too long. I would start with one minute. It should test done around edges, but center should still be soft. And using 1 tsp. baking powder for this amount of cake sounds awful!

For the quickest, easiest regular cake, I mix 1/4 c. cake mix and 2 tablespoons water in a mug with a tiny whisk. Smooth out top and nuke for 30 seconds. Yumm! Add a tablespoon of frosting, ice cream topping, PB, or nutella to top of batter before baking for a gooey pudding cake! Have also made muffin mixes this way, but they use only 1 1/2 tablespoons water to 1/4 c. mix. No need for egg or oil!

Pru19's picture

Really yummy, easy and quick!
Although I changed a couple of things. I added a teaspoon of baking powder and 1 minute 50 seconds was perfect in my 1000w microwave, I think if it was cooked for the 3 minutes it would go hard. I didn't have chocolate chips but I added peanut butter according to the recipe and that made it really nice. I served with raspberries and cream. This is the second night in a row I'm making it during an ad break. This is really good if you're pregnant and craving chocolate cake like me haha

talie265's picture

I read previous comments and was thankful to be advised to use a cereal bowl (the mixture would've been far too much for any coffee mugs I own!) Also used self-raising flour and chocolate orange for the chocolate chips, which gave it a lovely flavour. I cooked it in stages to gauge cooking time and it ended up nicely cooked, a light springy sponge, with the chocolate chips having melted. Cooked for 2 - 2.5 minutes in 700W microwave. Also took the advice of mixing dry and wet ingredients separately and then combining, which worked well. Really quick and easy and a good chocolate pud!

Fayparsons's picture

I tried this twice and both times it was awful. This needs more flavor and it turns hard after cooking it for two minutes.

sir_bakesalot's picture

well well. Just made this. Not something that you'd flash about at the WI but unsurpassed for a cake you can make in an advert break. outstanding.

tamora's picture
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Just done this for my two children who gave it the thumbs up. I used SR flour as per the suggestions and put pushed 2 squares choc in the middle of the mixture, then gave it 2 mins in an 800w microwave.

rubyrama's picture

i agree with the cake monster comments. if you only have plain flower then you can add half a tea spoon of baking powder and it works fine. for 700w microwave, 2 minutes is fine.

wildmiffy's picture
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Rather unfortunately we thought this tasted of naan bread...

rakpower's picture
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Yum! Just made this as fancied a chocolate cake. Followed the suggestions about using self raising flower. As I don't eat egg, I added a tablespoon of natural yoghurt instead and it turned out really well! It's too much for one person though and the bit that I left went dry after half hour. Great recipe if you have a craving for chocolate cake!

rakpower's picture
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Yum! Just made this as fancied a chocolate cake. Followed the suggestions about using self raising flower. As I don't eat egg, I added a tablespoon of natural yoghurt instead and it turned out really well! It's too much for one person though and the bit that I left went dry after half hour. Great recipe if you have a craving for chocolate cake!

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