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Home ยป All Recipes ยป Thermomix Dessert

Apple Slice with Streusel Topping

Published: Mar 14, 2019 ยท Modified: Feb 10, 2023 by Julie Carlyle ยท This post may contain affiliate links ยท 8 Comments

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Pin for an apple streusel slice on a pink and white background

This delicious apple slice is the ultimate comfort food. It has a buttery sweet shortcrust base, a lush apple and cinnamon filling and is topped with a crispy, German-style brown sugar streusel topping. Thermomix and food processor recipe included.

Close up image of apple slice with streusel topping against a coloured background

This recipe has been a family favourite for a long time. I first started making the slice before I had my Thermomix so the recipe includes instructions for making this in the food processor or TM.

I've mentioned before that I'm a very lazy cook. I'm reminding you now because although this is technically a three-layer slice it is so easy that you just have to make it! The layers are simply added one after another and then the sliced is baked off for 45 minutes.

Serve the apple slice straight out of the oven with custard and ice cream for a lovely warming dessert or refrigerate and serve cold for morning tea. This is a very versatile sweet! Regardless of whether you eat it hot or cold, I'm sure it will become a firm favourite.

Apple Slice on a white background with floral teacup

Apple Streusel Slice Substitute Ingredients

One of the things I love most about this recipe is that the ingredients are usually in my pantry ready for a craving to strike.

Salted Butter

I use salted butter because it gives just the right amount of saltiness against the sweet ingredients. If you only have unsalted butter you can substitute this but please add a pinch to ยผ of a teaspoon of salt.

Green Apples

Green apples are more start than red and tend to hold their shape a little better. If you have some red apples that need using you can swap them for the green apples but maybe add a tiny bit more lemon vest to cut through the sweetness.

Lemon Juice & Zest

Sorry, there is no substitute ingredient for this. You can leave it out but the slice will be a bit sweeter.

The remainder of the ingredients should be fairly straightforward, but feel free to ask if you have any questions.

Frequently Asked Apple Slice Questions

Can I substitute Gluten Free Flour?

I have used White Wings Gluten Free flour with a little more butter. The results were good although the slice wasn't as firm as regular flour.

What if my slice seems soft when it's baked?

The slice will be soft when it first comes out of the oven. It will cool and become firmer.

How should the slice be stored?

Place the slice in an airtight container and store it in the fridge,

How long will the slice last?

The slice can be kept for a week in the fridge.

More Delicious Slice Recipes

If you're looking for more easy slice recipes check out this Passionfruit Slice. It's another recipe that takes no effort for the level of YUM you get from the results. For some more decadent slices, you have to look at my Biscoff Slice or my double-layer Nutella Slice. I dare you to resist!

Thermomix Slice Recipes

If you have a bit of a sweet tooth, why not take a look at some of my other Thermomix Dessert recipes or slices? Click the link for desserts or use the search bar (top right) to type the name of the slice. They are all super easy to make and a whole tray costs about the same as a slice from your local cafe.

Square image of apple streusel on a white background
Apple Streusel Slice
Thermomix chocolate weetbix slice on blue plate and white background
Chocolate Weetbix Slice
Dusting the Chocolate Crunch Slice
Chocolate Hedgehog Slice
Up close shot of Passionfruit slice with a bite taken
Passionfruit Slice
Nutella Chocolate Fudge Brownie
Nutella Chocolate Fudge Brownie
Square image close up caramel chocolate slice
Caramel Slice
Square image of 3 slices of chocolate brownie on a white plate
Chocolate Caramel Brownie
Square image of two biscoff slices on a white plate
Biscoff Caramel Slice
Landscape image of two Cadbury Caramilk Slices on a floral tablecloth
Caramilk Chocolate Custard Slice 1LR
Just teasing you with some tasty images from the website!

Do you have any family favourites that you would like converted for Thermomix? Please let me know and I would be happy to try and convert them for you.



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Apple Tart with Streusel topping on white background with floral tea cup

Apple Slice with Streusel Topping

Julie Carlyle
German Style Apple Streusel Slice with a buttery sweet shortcrust base, a lush apple and cinnamon filling and topped with a wonderful crispy German style brown sugar streusel topping. 
5 from 3 votes
Print Recipe
Prep Time 10 minutes mins
Cook Time 45 minutes mins
Total Time 55 minutes mins
Course Dessert
Cuisine American, German
Servings 18 squares
Calories 338 kcal

Ingredients
 
 

Apple Slice Base

  • 300 g plain flour
  • 190 g salted butter cut in cubes
  • 80 g caster sugar
  • 1 egg
  • 1 teaspoon vanilla paste

Apple Filling

  • 350 g apple sauce
  • 6 green apples peeled, cored and diced
  • 1 teaspoon lemon zest
  • 1 Tbs lemon juice
  • 1 teaspoon cinnamon

Streusel Topping

  • 300 g plain flour
  • 190 g salted butter cut in cubes
  • 100 g brown sugar

Instructions
 

Apple Slice Base

  • Line a 30cm x 20cm baking tin with paper.
  • Preheat oven to 180 degrees C or 350F.
  • Add the flour, butter and sugar to TM bowl or food processor. Process TM 1 min/Speed 7.
  • Add the egg and vanilla essence mix to combine. TM 15sec/Speed 7
  • Place the mixture into the prepared baking tray and press the dough down to form an even layer.

Apple Filling

  • Peel and core the apples. Roughly dice the apple into 1 ยฝcm cube.
  • Add the apple lemon zest, cinnamon and apple sauce to a large bowl. Stir to combine. Reserve for later use.

Streusel Topping

  • In the TM bowl or food processor add flour, butter and sugar. Process until the mixture looks like breadcrumbs. TM 1 min/Speed 7

Assembly the Apple Slice

  • Spread the apple mixture over the base of the slice.
  • Spoon the crumble over the slice allow it to sit in clumps to the top of the apple layer. 
  • It's nice to squeeze bits together so the mixture isn’t too small and crumbly on the top.
  • Bake for 45 minutes until the crumbs are lightly golden.

Notes

The slice will be soft whilst it's hot but once refrigerated it will become much easier to cut neatly.

Nutrition

Calories: 338kcalCarbohydrates: 41gProtein: 4gFat: 17gSaturated Fat: 10gCholesterol: 54mgSodium: 157mgPotassium: 130mgFiber: 2gSugar: 13gVitamin A: 580IUVitamin C: 3.5mgCalcium: 22mgIron: 1.8mg
Keyword Apple, Apple pie, Apple Slice, Apple Tart, Dessert, Food Processor, Healthy snack
Tried this recipe?Let us know how it was!
Square image of apple streusel on a white background

I hope you have enjoyed this story. Feel free to leave a comment or start a discussion. If you have made a dish from this site I would love to know what you thought!

Leaving a comment and a star rating helps others decide if they should try my recipe. Plus if you hit the social media share buttons, your friends may find a delicious new recipe or Thermomix Tip too!

If you want to be notified when a new recipe is released sign up for my monthly newsletter. The form is also in the footer!

Thank you for stopping by,

Happy Cooking

j xx

One last thing, I would love to offer you my FREE Thermomix cookbook. The book includes 13 of my favourite recipes. Take a look and the pretty pictures. 🙂

Image showing free Thermomix cookbook on iPad

Happy Cooking 🙂

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Reader Interactions

Comments

  1. Sharon Fishwick says

    January 13, 2024 at 12:07 am

    could you leave the egg out of the pastry for an egg allergy? would you just add a bit of water instead for the liquid?

    Reply
    • Julie Carlyle says

      January 14, 2024 at 3:12 pm

      Hi Sharon
      Thank you for your question. The egg does help bind the pastry and enable it to hold together when it is cut. I haven't tried it without an egg but you can always give it a go and let me know what happens, it may just work ๐Ÿ™‚
      Happy Cooking
      Julie

      Reply
  2. Sarah says

    August 26, 2021 at 1:43 pm

    5 stars
    This was a hit! So easy to make, and super delicious. I had a heap of apples to use up and was searching for recipes when I came across yours. I didn't have any apple sauce, but used two grated apples to fill in the gaps between the apple chunks and it worked perfectly. Thanks for the delicious recipe!

    Reply
  3. india says

    April 17, 2019 at 1:55 pm

    hi is it possible to do this recipe without a food processor? thanks!

    Reply
    • Julie Carlyle says

      April 18, 2019 at 2:35 pm

      Hi India, Yes it's possible. You will just need to rub the flour and butter together as you do for a scone recipe and then mix through the remaining base ingredients.
      Julie

      Reply
  4. Cathy says

    April 04, 2019 at 6:25 am

    5 stars
    Made it for the office staff at work, massive hit with everyone! Thankyou

    Reply
    • Julie Carlyle says

      April 06, 2019 at 7:06 am

      Hi Cathy, I am so pleased you liked it and the recipe was well received at the office ๐Ÿ™‚ I love hearing comments like yours, it inspires me to make more recipes ๐Ÿ™‚

      Reply
  5. JulieO says

    March 22, 2019 at 5:03 pm

    5 stars
    I made this today and I had to let you know that it's the nicest apple slice I've ever made!

    The recipe worked exactly as stated and I didn't make too much of a mess when I cut it into squares either, even though it was still quite warm (couldn't wait for it to chill) ๐Ÿ™‚

    So melt in the mouth. Thank you for such a lovely recipe.

    Reply

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Hi, I'm Julie, a recipe developer, published cookbook author, and registered nutritionist. My first love has always been cooking and food. ThermoKitchen is where my love of food combines with a "lazy streak" as I utilise my favourite appliance, the Thermomix! I discovered Thermomix in 2014 and loved it so much I became a consultant for the brand.

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