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How to Make: Stuart's Jars of Steamed Treacle Sponge

Updated: Sep 16, 2021

In this weeks blog we have another of Stuart's fabulous recipes. This is another cake! Perfect for storing and serving in a glass jar.

Have you ever wanted to make your own Gu Pot. Or maybe you want to portion control your puddings? This is the perfect way to do just that.

Check out the recipe below to make the perfect cake in a jar. Stuart's steamed treacle sponge with a soft fudge centre is the perfect comfort food.

We've used our 125ml round jar for this particular recipe. But you could use the kilner version. Or even the 277ml Tall Jar to create larger portions. Check out our glass jar selection for more jars to choose from.

"This is a light sponge with a complex and refined flavour. Best served clotted cream or crème anglaise."
Steamed treacle sponge cake in a jar


  • 190g Softened unsalted butter plus a little extra for greasing

  • 180g Light brown Muscovado sugar

  • 1 spoon black treacle

  • 3 eggs

  • 180g self-raising flour

  • 10 x pieces of soft fudge or toffee


  • A steamer (If you do not have a steamer you can use a large pan with 2"-3" of water and a rack on the bottom of the pan so the jars don't connect with the pan base)

  • 10 x 125ml round jar with lids

  • Mixing bowl

  • Large spoon

  • Sieve

Cake in a glass jar


  1. Sterilise your jars, dry and grease with butter.

  2. Add butter and sugar to your mixing bowl and cream together.

  3. Add the treacle to the butter and sugar.

  4. Add 1 egg at a time and beat to create an emulsion.

  5. Sift the flour and gently fold it in to the mixture.

  6. Spoon the mixture equally in to the 5 jars you have prepared.

  7. Push 2 pieces of fudge in to the centre of each jar.

  8. Put a lid loosely on each jar and put them in the steamer for 40 minutes.

  9. Remove one jar from the steamer and check if it's cooked thoroughly. Insert a knife in to the cake and if it comes away clean it is done.

  10. If cooked, remove the rest of the jars from the steamer.

  11. You can either eat straight away or leave to cool and enjoy through the week.

steamed cake in a jar

What do you think of Stuart's latest recipe? Will you be trying this one at home?

Don't forget to stock up by visiting our online glass jars store. And order all your jars before starting this recipe.

What other cakes cake you make in jars? We have a few more recipes coming up so don't forget to keep an eye on our blog!

You can follow us on Facebook and Instagram to keep up to date with all the latest news and blogs.

If you do make these lovely little cakes don't forget to post them on social media and tag us in your posts on social media. And use the hashtag #sen5esbottles to show off your creations.

All the best

The Team at Sen5es

how to make cakes in glass jars

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