Jelly Slice Recipe by Thermobliss (2024)

Published: · Modified: by Lauren Matheson ·

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Our famous and super easy Thermomix Jelly Slice recipe is simply the BEST!

A classic no-bake slice that everyone loves.

Jelly Slice Recipe by Thermobliss (1)

This easy Thermomix jelly slice is one of our oldest and most popular recipes!

With it's buttery biscuit base, creamy filling and jelly topping, it's simply irresistable.

Just like our passionfruit slice, Clinkers slice and caramel nut slice, this jelly slice recipe will make your next morning tea extra delicious!

Jelly Slice Recipe by Thermobliss (2)

Why You're Going To Love This Recipe

This is simply everyone's favourite easy Thermomix Jelly Slice recipe!

  • Classic Recipe - old fashioned recipes don't get much better than jelly slice! This recipe has well and truly stood the test of time... and now you can make it in your Thermomix!
  • No-Bake - there's no need to turn the oven on because this recipe involves ZERO baking! Simply prep each of the 3 layers and allow them to chill and set.
  • Perfect For Any Occasion - whether you're planning a special morning tea, having a bake sale or simply filling up school lunch boxes, jelly slice is always a hit.
  • Versatile - keep things classic with a strawberry jelly topping... or mix it up and use any of your favourite jelly flavours!

What You Need

Thermomix Jelly Slice may have 3 layers... but it really is SO easy to make!

Jelly Slice Recipe by Thermobliss (3)

Please scroll to the recipe card at the bottom of the post for ingredient quantities and the full detailed method.

  • Butter - you can use either salted or unsalted butter in this recipe.
  • Biscuits - I recommend using Arnott's Marie biscuits, but you can use any plain, sweet biscuits you like!
  • Gelatine Powder - for setting the layers.
  • Lemon Juice - use freshly squeezed lemons (not bottled lemon juice). This helps to set the middle layer.
  • Sweetened Condensed Milk - use full fat (not skim) sweetened condensed milk as it sets firmer.
  • Jelly Crystals - choose any flavour of jelly crystals you like!

Step By Step Instructions

Wile this triple layered slice may look fancy, it's so simple to make!

Please scroll to the recipe card at the bottom of the post for ingredient quantities and the full detailed method.

Step 1 - Make The Biscuit Base

Melt the butter in the Thermomix bowl.

Jelly Slice Recipe by Thermobliss (4)

Add the biscuits and crush until well combined.

Jelly Slice Recipe by Thermobliss (5)

Press into a baking paper lined tray and chill in the fridge.

Jelly Slice Recipe by Thermobliss (6)

Step 2 - Make The Filling

Mix the sweetened condensed milk, lemon juice and gelatine together.

Jelly Slice Recipe by Thermobliss (7)

Pour it over the biscuit base and place back into the fridge to set.

Jelly Slice Recipe by Thermobliss (8)

Step 3 - Make The Jelly Topping

Make the strawberry jelly (or any jelly flavour you like).

Allow it to cool before pouring it over the set filling.

Place back into the fridge to set.

Jelly Slice Recipe by Thermobliss (9)

Expert Tips

Want to make the perfect Thermomix Jelly Slice? Here's how!

  • I recommend using Arnott's Marie biscuits, but you can use any plain, sweet biscuits you like!
  • Use freshly squeezed lemons (not bottled lemon juice). This helps to set the middle layer.
  • Use full fat (not skim) sweetened condensed milk as it sets firmer.
  • Allow the filling to set before pouring the cooled jelly over the top.
  • Make the jelly and then allow it to sit at room temperature to cool.
  • You can use any flavour of jelly crystals you like.
  • To cut the slice place it onto a chopping board. Use a large, flat, very sharp knife and press down firmly. Repeat until the entire slice has been cut into pieces.
  • Store jelly slice in the fridge for up to 5 days.
  • This recipe is not suitable for freezing.
Jelly Slice Recipe by Thermobliss (10)

FAQs

Can I use any flavour of jelly?

Yes absolutely! Mix and match with any of your preferred jelly flavours. We have used strawberry jelly in this recipe as that's what is traditionally used.

Do I need to wait for the middle layer to set before I pour the jelly over?

Yes you do! If you pour the jelly onto the middle layer before it's set, the jelly will seep into the creamy filling rather than sitting in a nice layer on top.

How do you cut jelly slice?

Place the jelly slice onto a chopping board. Use a large, flat, very sharp knife and press down firmly. Repeat until the entire slice has been cut into pieces.

Jelly Slice Recipe by Thermobliss (11)

If you love making slices in your Thermomix, why not try these recipes too!?

OUR RANGE OF THERMOMIX COOKBOOKS

Browse our collection of hardcopy Thermomix cookbooks here.

There's everything from family dinners to kids snacks, desserts to cookies, slices to Christmas recipes, co*cktails to chocolate recipes and more!

Jelly Slice Recipe by Thermobliss (17)

Easy Thermomix Jelly Slice

Our famous and super easy Thermomix Jelly Slice recipe is simply the BEST! A classic no-bake slice that everyone loves!

4.70 from 10 votes

Print Pin Rate

Course: Slices

Cuisine: Australian

Prep Time: 1 hour hour

Cook Time: 4 hours hours

Total Time: 5 hours hours

Servings: 24 serves

Calories: 166kcal

Author:

Cost: $10

Equipment

  • Thermomix

Ingredients

For The Base

  • 200 g butter
  • 250 g Arnott's Marie biscuits or any other plain biscuit

For The Filling

  • tspns gelatine
  • ¾ cup boiling water
  • juice of 2 lemons (approx 90g)
  • 395 g sweetened condensed milk

For The Top Layer

  • 1 packet strawberry jelly crystals
  • boiling water as per jelly packet instructions
  • 1 tspn gelatine extra

Instructions

For The Base

  • Line the base and the sides of an 18 x 28cm slice tin with baking paper, making sure you leave plenty hanging over the sides.

  • Chop the butter and place it into the Thermomix bowl. Melt for 3 minutes, 80 degrees, Speed 2 (or until melted).

  • Add the biscuits and crush for 10 seconds, Speed 9. Scrape down the sides of the bowl and repeat for a further 5 seconds.

  • Remove the biscuit mixture from the bowl and pour into the lined tray.

    Push the mixture down with the back of a metal spoon to create a flat surface.

    Place in the fridge while you prepare the filling.

For The Filling

  • To make the filling, combine the gelatine in a jug with the boiling water and allow to cool slightly.

  • In a clean Thermomix bowl, add the lemon juice and sweetened condensed milk and mix for 45 seconds, Speed 3, with the measuring cup off.

    While the blades are turning, slowly pour the gelatine mixture into the bowl through the MC hole and mix until combined.

  • Remove the slice base from the fridge and pour over the filling.

    Place back into the fridge to set.

For The Top Layer

  • In a clean Thermomix bowl, add the hot water and heat for 3 minutes, 90 degrees, Speed 2.

  • Add the jelly crystals and gelatine and mix on Speed 2 until they have dissolved. Pour the jelly into a seperate bowl and allow it to cool to room temperature.

  • Remove the slice from the fridge and carefully pour the jelly over the top.

    Place it back in the fridge to set for approximately 4 hours (overnight is best).

Notes

RECIPE NOTES & TIPS

  • I recommend usingArnott's Marie biscuits, but you can use any plain, sweet biscuits you like!
  • Use freshly squeezed lemons (not bottled lemon juice). This helps to set the middle layer.
  • Use full fat (not skim) sweetened condensed milk as it sets firmer.
  • Allow the filling to set before pouring the cooled jelly over the top.
  • Make the jelly and then allow it to sit at room temperature to cool.
  • You can use any flavour of jelly crystals you like.
  • To cut the slice place it onto a chopping board. Use a large, flat, very sharp knife and press down firmly. Repeat until the entire slice has been cut into pieces.
  • Store jelly slice in the fridge for up to 5 days.
  • This recipe is not suitable for freezing.

Nutrition

Calories: 166kcal | Carbohydrates: 15g | Protein: 2g | Fat: 11g | Saturated Fat: 6g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 3g | Trans Fat: 0.3g | Cholesterol: 26mg | Sodium: 111mg | Potassium: 83mg | Fiber: 0.4g | Sugar: 11g | Vitamin A: 287IU | Vitamin C: 5mg | Calcium: 53mg | Iron: 0.3mg

Tried this Recipe? Share it Today!Mention @Thermobliss or tag #Thermobliss!

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Reader Interactions

Comments

  1. Helen Pounder says

    Hi can I bake the base I think it would be nicer, 🌸

    Reply

    • Lucy says

      Hi Helen, we find that the best results are when the recipe is followed exactly 🙂

      Reply

  2. Shari says

    This looks delicious - just wondering if I can double the recipe? I have a larger than normal slice tin so want to make sure the layers are nice and thick!

    Reply

    • Lauren Matheson says

      Hi Shari, I haven't actually tried to double this recipe before I'm afraid. I normally use a 28 x 18cm slice tin and it does make a big thick slice in that one if that helps 🙂

      Reply

  3. Felicity Oberg-Cooper says

    Question for all you Jelly Slice lovers; can it be frozen? Doing school lunchbox mega cook to stock the freezer for the term and would love to include this. Thanks in advance.

    Reply

    • Lauren Matheson says

      I Felicity, I haven't tried to freeze this recipe before but I don't think it would freeze too well. Sorry xx

      Reply

  4. Chris Jolly says

    Heyyyy Thermobliss.......what a delightfully delicious little treat this is!!
    I think your page may receive some traffic after I posted up a few pics yesterday showing how awesome and easy this yummy morsel is to make!!
    Great work!!!

    Cheers ?
    Chris Jolly ?

    Reply

    • Lucy Mathieson says

      Thank you so much Chris!

      Reply

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Jelly Slice Recipe by Thermobliss (2024)
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