Easy Chocolate Slice

A super easy chocolate slice with chocolate icing and sprinkles… a good old fashioned favourite with the kids (and adults too!).

A toddlers hand picking up a 100s and 1000s covered chocolate treat.

This easy chocolate slice would have to be one of the all-time favourite recipes in our house! I used to make it with my Mum when I was little… and I now I make it with my own son. It’s just one of those classic slices that you can make a million times over – and it’s still just as good!

Sprinkles on top of a baked chocolate recipe.

A melt, mix and bake slice…

You know how much I love a simple recipe, right? Well this is exactly that!!!! In just a few simple steps (and with a few basic ingredients), you’ll have a delicious chocolate slice with icing!

  1. Melt the butter
  2. Add the wet ingredients and mix
  3. Add the dry ingredients and mix
  4. Bake in the oven

Seeeee… so, so easy!

Homemade chocolate bars with icing and sprinkles.

How To Make Chocolate Icing

This classic chocolate icing recipe is so simple. It’s made from:

  • icing sugar
  • butter
  • cocoa
  • boiling water 

… and takes just a few seconds to whip up. (It’s the same icing that we use on our most popular chocolate coconut slice recipe too!)

 

Thick Chocolate Icing

If you like your icing to be thick, simply add a little more icing sugar and a little less water. Use pure icing sugar for a chocolate icing that sets firm. 

 

Soft Chocolate Icing

If you prefer a runnier style of icing, add a tiny bit more water (but not too much!). Use icing mixture for a soft icing that doesn’t set firm. 

A kids hand taking sprinkles off the top of a chocolate slice.

Chocolate Slice Conventional Method Vs Thermomix Method

It’s no secret how much I love my Thermomix and I’ve made this slice in there wayyyy too many times to count. But it’s honestly just as easy to make the conventional way

Both ways use:

  • 1 bowl

And require:

  • no-fuss

Winner, winner! I’ve included the recipe cards for both Thermomix and conventional methods below so you can use whichever one you like!

Icing and sprinkles on top of a sweet dessert.

Storing Chocolate Slice

This slice can be stored in the fridge or in a cool place at room temperature for up to 5 days.

Alternatively, it can be frozen for up to 3 months. 

 

More Kids Lunch Box Recipes

For lots more yummy kids recipes that they can help make, check out our collection of lunch box recipes here. 

A collage of kids lunch box recipes.

 

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A super easy chocolate slice with chocolate icing and sprinkles... a good old fashioned favourite with the kids (and adults too!).

Easy Chocolate Slice

A super easy chocolate slice with chocolate icing and sprinkles... a good old fashioned favourite with the kids (and adults too!).
5 from 1 vote
Print Pin Rate
Course: Slices
Cuisine: Chocolate
Keyword: chocolate slice
Prep Time: 10 minutes
Cook Time: 25 minutes
Total Time: 35 minutes
Servings: 16 serves
Calories: 229kcal

Ingredients

For the base:

  • 150 g butter melted & cooled
  • 200 g (1 cup) brown sugar
  • 1 egg lightly beaten
  • 1 tsp vanilla extract
  • 60 g (1/2 cup) plain flour
  • 45 g (1/3 cup) self raising flour
  • 30 g (1/4 cup) cocoa powder
  • 40 g (1/2 cup) desiccated coconut

For the chocolate icing

  • 200 g (1 1/2 cups) icing sugar sifted, see notes
  • 30 g (1/4 cup) cocoa powder
  • 20 g butter
  • 2 tbs boiling water see notes
  • sprinkles or 100s and 1000s to decorate

Instructions

Conventional Method

  • Preheat oven to 160 degrees celsius (fan-forced).
  • Grease and line with a 20x20cm square tin with baking paper. 
  • Place butter, sugar, egg and vanilla in a bowl and stir until combined.
  • Sift plain flour, self raising flour and cocoa into bowl. Add the coconut and stir until mixture has combined.
  • Spread the mixture evenly into pan and press down with a spoon to flatten the surface. Bake for 25-30 minutes or until just firm.
  • To make the icing, sift the icing sugar and cocoa into bowl.
  • Add the butter and boiling water and stir together.
  • Spread the icing over the still warm slice and decorate with sprinkles. 

Thermomix Method

  • Preheat oven to 160 degrees celsius (fan-forced). Grease and line a square baking tin with baking paper and set aside. 
  • Place butter into the Thermomix bowl and melt for 3 minutes, 100 degrees, Speed 1. Allow to cool.
  • Add the sugar, egg and vanilla extract to the Thermomix bowl and mix on Speed 5, 20 seconds. Scrape down the sides of the bowl.
  • Sift the flour and cocoa into the bowl and add the coconut. Mix on Speed 2, 20 seconds or until mixture has combined (use the spatula to assist with mixing).
  • Spread mixture evenly into pan and smooth the surface with a spoon. Bake for 25-30 minutes or until just firm.
  • Place the icing sugar and cocoa powder into the Thermomix bowl and press Turbo 5 times to sift.
  • Add butter and boiling water and mix together on Speed 5, 15 seconds or until smooth (add a little more water if the icing is too thick).
  • Spread warm slice with icing and decorate with sprinkles. 

Notes

RECIPE NOTES & TIPS
Equipment - this is a super easy one bowl recipe. All you need is a bowl, a spoon, a baking tray and an oven. You can also prepare the base and icing in a Thermomix. Both methods are included above. 
Icing sugar - for thick and firm icing, use pure icing sugar. For a soft icing, use icing mixture. If you're planning to use the slice in lunch boxes, I recommend using pure icing sugar.
Runny vs. thick icing - if you like your icing to be thick, simply add a little more icing sugar and a little less water. If you prefer a runnier style of icing, add a tiny bit more water (but not too much!).
Storage - This slice can be stored in the fridge or in a cool place at room temperature for up to 5 days. Alternatively, it can be frozen for up to 3 months. 

Nutrition

Calories: 229kcal | Carbohydrates: 32g | Protein: 2g | Fat: 11g | Saturated Fat: 7g | Cholesterol: 33mg | Sodium: 85mg | Potassium: 103mg | Fiber: 1g | Sugar: 24g | Vitamin A: 280IU | Calcium: 20mg | Iron: 1mg
Did you try this recipe?Mention @BakePlaySmileBlog or tag #BakePlaySmile!

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