Introduction: Microwave Cake

This is absolutely, 100% the best microwave cake I have eaten in my life.* It takes 5 minutes to throw together and it tastes like sugar cookies and the texture is like REAL CAKE. I was watching Masterchef AU last night and Matt Preston was making a microwave sponge cake that involved passionfruit pulp for the liquid in the recipe. I was instantly excited. It looked great, and I needed it!

But there were problems: how much liquid is one passionfruit? what's the right amount of flour and baking powder if I'm not using self rising flour? how do I convert all the measurements so US readers will find it easy to make?

so I stayed up and experimented and then - PROBLEMS SOLVED

*Full disclosure: I am pretty much an expert in microwave sweets. I swear I've spent about a fourth of my adult life up late and making questionable food decisions.

P.S. Feeling like chocolate cake? Check out my chocolate microwave cake here!


Step 1: Ingredients:

  • 1/4 cup melted butter (50 g)
  • 1/4 cup sugar (50 g)
  • 1/2 cup flour (50 g)
  • 1/2 teaspoon baking powder
  • 1 egg
  • 2 tablespoons milk

The recipe above will serve two people - double for four cakes. That's what I was making today!

You will also need standard ramekins, cooking spray, plastic wrap and a microwave.

Step 2: Mixing

In a medium bowl, melt your butter. Then add in the sugar and whisk until well combined.

Add in the baking powder, flour, eggs, and milk and whisk like mad. You want the mixture to be smooth and creamy. 

Step 3: Fill and Cover

Spray your ramekins with cooking spray, and then fill them a little over halfway.

Tap the ramekins on the counter to knock out any air bubbles.

Cover them with a piece of saran wrap, leaving a small part of the edge unsealed so steam can escape.

Step 4: Cook!

Cook in the microwave for 50-60 seconds. (At home, it took me 60 seconds in a 600W microwave. In the test kitchen, 55 seconds in a 1000W gave me a good result.) Too little time, and the cake will be wet on the outside. Too much time, and it will become really crumbly. Also, cooking them individually is best.

Once it's cooked, take off the plastic wrap and pop the cake out onto a plate. It should come out fairly easily, but if it needs a little help you can run a butter knife around the edges.

Eat by itself or with jam, whipped cream, ice cream, nutella, sprinkles, fresh fruit... well, anything really. I macerated some strawberries and served it with whipped cream. :D

Comments

author
or_ford98 (author)2013-08-15

Just tried this
Really cool, thanks for uploading!
I can't upload pictures here so here's an imgur link
On average 40-50 seconds on a 1100 Watt microwave worked for me
http://imgur.com/HjAU2uo

author
lmperkins (author)2013-08-06

Totally easy, totally awesome. Worked the first time for me and was yummy!

author
Misty_Ninja (author)2013-08-03

OMG! I made this today, it's amazing! Loved it! I could live off it!

author
jbrooks27 (author)2013-08-03

I tried this at home today, and I LOVED it. I shared the amazing cake with my family and the were very happy, THANKS :-)

author
Addjoa246 (author)2016-12-05

Hello Jessy if I dont have oil spray can I use ordinary oil to li e the mug. Also if using a mug does it mean i need to divide into 2?

author
jessyratfink (author)Addjoa2462017-04-23

Definitely! Or rub a little butter around inside the mug, that would work too.

You could certainly try it all in one batch. Check it after 1 minutes 30 seconds and see how it's going. You may have to go a little longer than that. :)

author
silm (author)2017-04-23

This looks yummy but I love only chocolate cake.

author
jessyratfink (author)silm2017-04-23

I've got a recipe up for that too! :)

https://www.instructables.com/id/chocolate-microwa...

author
Laianecamero (author)2017-02-23

""Yummy Cake !!!

author
T0BY (author)2016-11-26

Delicious!

author
Kui Sheryl made it! (author)2016-09-22

Made this today n it came out perfectly cant wait for my hubby to be home n see this.......

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author
PKM (author)2016-09-11

I made this tonight but it was gone before I had time to take photos! I used Tejana15's suggested metric weights (65g flour, 55g butter) and cooked for 60s in a coffee mug in a 900W microwave, turned out pretty good! Nice springy sponge, the first crumbled a bit on taking it out of the mug because i overcooked slightly, the second had a tiny uncooked bit around the bottom edge where it was in the bottom corner of the mug - maybe don't use heavy walled containers as they suck the heat out while cooking.

It smells quite strongly of egg and butter while cooking, but just tastes like sponge cake. I made mini victoria sponges with jam and whipped cream in the middle, the cream definitely helps as the cake was a bit dense in texture.

One word of warning: according to this site (http://healthyeating.sfgate.com/convert-fat-grams-calories-5127.html) there's over 900 calories in the single recipe (50*9 + 100*4 + egg and milk) before you start adding toppings, so make sure you have someone to share with! The whole thing took about 20 minutes start to finish so they are dangerously easy to make...

author
MaryM288 (author)2016-09-10

I am so excited to say that I made this tonight for my hubby! I didn't have ramekins so I improvised. I used a coffee mug and a Mason jar. I did cook them separately as recommended in the recipe. I had no trouble getting the cakes to come out and stand nicely on a cute plate. The outside was a perfect texture. Both cakes seemed a bit dry and slightly crumbled. I am wondering if I cooked them too (60 seconds) and needed more milk? Any thoughts? I wonder if you could make Angel food cake in some similar way. Thanks in advance for your help!!!

author
JoeyL22 (author)2016-07-17

Awesome and so quick. Made it for my boyfriend and he complained he didn't want desert. Then I looked over and it was all gone. Success

author
PritiY (author)2016-05-06

Made this cake today. It'super easy and delicious! I doubled the measures and made it as one whole cake. Microwaved it for 6 mins in a 800 watt microwave.

author
HeatherB97 (author)2016-03-21

I love treacle pudding, so tweaked the recipe into that. After it cooked (in 1 large mug in the microwave) I poured Lyle's Syrup over it, and topped it with custard. Yum!

author
Tejana15 (author)2016-01-16

Imperial measures may work, but metric are off. Given that a stick of butter is 113 g, quarter cup is 56-57 g. One cup of flour is about 130 g, so half would be 65 g.

author
cellopants (author)2015-04-03

you did WHAT to your strawberries

author

I wish I could make this but, the only ingredient I have is eggs and milk

author
KristenC4 (author)2015-10-20

Very Good. I made it in a large microwave safe bowl. I added a touch of almond extract and used vegetable oil in the same amount instead of butter. It cooked about two and a half minutes. Then I pressed butterscotch chips into the cake after cooking.

ItIt was

author
MireilleD (author)2015-10-08

super delish!! i mixed it all in a mug and microwaved for 1.5 minutes. also if you ad 1/4 cup coconut and a bit of lime juice on top when its cooked my gosh sooo good!!

author
KaoutarE1 (author)2015-09-11

Hi again can i use baking soda instead of baking powder

author
jessyratfink (author)KaoutarE12015-09-11

Maaaaybe. I haven't tried it. 1/4 teaspoon of baking soda and a splash of vinegar - that could work!

author
KaoutarE1 (author)2015-09-11

Hi, i want to try it but i don't have plastic wrap, does it matter?

author
jessyratfink (author)KaoutarE12015-09-11

Try making it in a mug instead of a ramekin if you don't have plastic wrap. Hopefully the mug will be tall enough that the cake batter won't climb over the sides!

author
Meow2015 (author)2015-08-11

I will DEFINITLY try this

author
rjabeen1 (author)2015-08-05

Love the recipe. Added chopped raisins, almonds, lemon juice and lemon rind to my taste. Also, baked in one container. Thanks for the yummy recipe! :)

author
rjabeen1 (author)2015-08-05

author
shamvil (author)2015-07-22

can i make a big cake with this batter?

author
jessyratfink (author)shamvil2015-07-22

Perhaps! I've never tried. If you want to give it a go, I'd suggest doubling the recipe and cooking it in a 8 inch pan. 325 F for 20-30 could work. :)

author
shamvil (author)2015-07-21

can i make a big cake with this?

author
Ank457 (author)2015-07-10

I love it but it makes it so much better if you add a dash of vannila to the recipie and put powdered sugar on top!

author
zlange1 (author)2014-07-03

Great but unhealthy srry i already ate it

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author
WillB7 (author)zlange12015-05-08

Honestly, Is there such a thing as a "healthy" cake?

author
ab727 (author)2013-10-29

It is 3 in the morning and I needed a snack so I made this. Successfully. I put in about half an egg more in the mix and then whipped it with the teaspoon I had used to measure out the milk. Then put in 3 tablespoons in a cup and microwaved it for 1min. The result was the cake just like in the photo. I did not use any oil to coat / line the cup and as a result there was just a thin layer sticking to the cup. The taste however was not super great. It was spongy but it was just the slightest sweet. Do you add any flavors. Or is it just some base onto which some toppings like whipped cream or fruit need to be added - as you did?
Two more things.
1. A suggestion. Please refrain from using oil spray. They use aerosols for it and it is the same thing (same grade even) that is used in sprays from deodorants to shaving cream spray cans.
2. Thank You for this wonderful recipe. This would act as a base for me and now I shall experiment to get the flavor right for my palate.

author
WillB7 (author)ab7272015-05-08

Just like isochronous, I can't help but say something about this post. With regards to suggestion 1, why would you want to tell anyone how to act or what to say period. If someone wants to use aerosols, its no one's business but their own. I find busy body's like yourself intrusive and completely unnecessary. Keep it to yourself!!!

author
isochronous (author)ab7272015-03-03

Sorry, but I just had to reply to this, because this is a "guilt by association" logical fallacy. Just because an aerosol is used in spray deodorant doesn't mean it's harmful. The four most common aerosol propellants in oil sprays are food-grade alcohol, nitrous oxide, carbon dioxide, and propane, none of which are harmful in any of oil spray's standard applications.

author
lucieloveu (author)2015-05-03

I like your food they look good

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author
cjheinemann made it! (author)2015-04-23

turn out great.. best texture from a micro cake...

i added chocolate chips on top

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author
yudiyartanti made it! (author)2015-04-20

Great recipe. So easy n yummy. Thank you!!

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author
Iowaboy_3 made it! (author)2015-04-11

It was great! I added some peanut butter, added less sugar, and it came out amazing! I even made a chocolate icing to go with it! I recommend you all do the same!

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author
WilliamS19 (author)2015-03-04

I regret that you did not state how much time to cook it in the microwave or at what power level. I wanted to make this but I couldn't without time and power level.

author
jessyratfink (author)WilliamS192015-03-04

I did list times - and power doesn't make as big of a difference as you think!

"Cook in the microwave for 50-60 seconds. (At home, it took me 60
seconds in a 600W microwave. In the test kitchen, 55 seconds in a 1000W gave me a good result.) Too
little time, and the cake will be wet on the outside. Too much time, and
it will become really crumbly. Also, cooking them individually is best."

author
WilliamS19 (author)jessyratfink2015-03-04

I apologise! I wrote the note before I noticed that I needed to turn the page. I then clicked on delete for the note, but it did not delete. I read the cooking time, but stilll didn't see a power level.

Thanks for your reply.

Bill

author
ab727 (author)2013-10-29

It is 3 in the morning and I needed a snack so I made this. Successfully. I put in about half an egg more in the mix and then whipped it with the teaspoon I had used to measure out the milk. Then put in 3 tablespoons in a cup and microwaved it for 1min. The result was the cake just like in the photo. I did not use any oil to coat / line the cup and as a result there was just a thin layer sticking to the cup. The taste however was not super great. It was spongy but it was just the slightest sweet. Do you add any flavors. Or is it just some base onto which some toppings like whipped cream or fruit need to be added - as you did?
Two more things.
1. A suggestion. Please refrain from using oil spray. They use aerosols for it and it is the same thing (same grade even) that is used in sprays from deodorants to shaving cream spray cans.
2. Thank You for this wonderful recipe. This would act as a base for me and now I shall experiment to get the flavor right for my palate.

author
isochronous (author)ab7272015-03-03

Since this was a double post, see my above reply for why suggestion #1 is unnecessary.

author
RML1 made it! (author)2015-02-28

I made this cake and I'm adding a photo of what I did. I made a mini layer cake out of it and frosted it with butter cream and sprinkled some finely ground walnuts on top! It turned out really good! Moist and delicious! I also added a half teaspoon of vanilla. Thanks for this recipe.

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author
ChinonyeremO made it! (author)2015-02-17

Thanks a ton for this recipe, it is the best I've seen so far and was delicious. I enjoyed it so much I will feature it on my blog. I hope you don't mind, here's a link if you'd like to see how I used it. http://www.disnaijagal.com/?p=245

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author
deepta (author)2015-01-27

Thank You for the perfect mug cake recipe.

author
norielynbodonal made it! (author)2015-01-15

i have it topped with strawberries and blueberry and plans to create more of these.. yummy..

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Bio: part of the Instructables Design Studio by day, stitch witch by night. follow me on instagram @makingjiggy to see what i'm working on! ^_^
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