Grandma’s Microwave Chocolate Cake

Microwave Chocolate CakeOne of my earliest baking memories is of this cake made by my Grandma – well not so much the cake, or even if I helped make it – but of the crumbs left in the cake tin! When you remove the cake from the tin it leaves little traces of soft moist cake behind – and it is those little traces of cake crumb that are my most enduring memory of this cake – and the best bit is that 20-30 years later it still tastes the very same!

Grandma's Microwave Chocolate Cake 3

The next most important point to make is this cake cooked in 5  1/2 minutes!!! So at any given point you are only around 10-15 minutes away from a whole chocolate cake – forget tasteless cakes in a mug – this is real cake, whole cake, cooked in no time at all 😉

This was definitely trial and error – the original recipe said to cook on medium for 10 minutes – so I thought I would try 40% for 10 minutes – and well suffice to say I now know how to make rock cake!

So second time around I went with fullpower and 4 minutes – eventually cooking for a further 1  1/2 minutes – each microwave will vary so I recommend starting at 4 minutes and going for 30-60 second increments until it bounces back to the touch and a skewer or knife comes out clean.

You will need a microwave proof cake tin – I have the original old ring tin but I see you can get them online and in some stores still.

Grandma's Microwave Chocolate Cake 1


1  1/2 cups Flour
1 Cup Sugar
3 heaped Tablespoons Cocoa
1 tsp Baking Soda
1 tsp Baking Powder
2 Eggs
1 Cup Milk
1 Cup Oil
3 Tbsp Golden Syrup


Spray or line the microwave proof cake tin (I used a ring tin) It does leave a fine crumb behind but you can always use a circle of baking paper in the bottom of the ring to avoid losing the top of your cake.

Combine the dry ingredients in a large bowl and combine well.

Add the wet ingredients to the dry, and combine well – I used a whisk to ensure it was all well combined.

Pour into the prepared cake tin, pop into the microwave and cook on high for 4 minutes, then check and cook for 30-60 second increments it bounces back to the touch and a skewer or knife comes out clean. It took 5 1/2 minutes in our 1100w microwave.

Grandma's Microwave Chocolate Cake 2

Allow cake to cool in the tin then remove onto a rack ready to ice once cold.

Grandma's Microwave Chocolate Cake 6

To ice I used my basic Chocolate Icing Recipe


1 1/2 cups icing sugar
1 heaped dessertspoon of cocoa
1 tsp vanilla
1 – 2 tsp butter melted


Combine all of the above ingredients in a bowl and slowly add water a teaspoon or two at a time until you have the desired consistency, I just drizzle it straight from the tap a wee bit at a time.

Spread over cooled cake and store in an airtight container for up to 3 days.

Microwave Chocolate Cake

I hope you enjoy this special recipe from my Grandma, I was so pleased to remember it and even better that my Mum was able to dig it up.

For more Grandma Recipes – check out my Sweet Treats Tab, stop by my Facebook page or Twitter to follow my latest recipes or you can follow this blog via your email address above too.

Thanks for stopping by 🙂


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