Easy Chocolate Weetbix Slice Recipe (2024)

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Use up those last few crumbs in the box and make our super easy chocolate Weetbix Slice. This classic Aussie slice recipe is the perfect sweet treat – just mix and bake!

Easy Chocolate Weetbix Slice Recipe (1)

Why We Love This

Weetbix slice is super delicious, inexpensive, and a great way to use up leftover Weetbix – or the crumbs that always end up at the bottom of the box!

It’s perfect with a hot cuppa coffee or tea, or packed up in a lunchbox for school or work. You can even freeze it for later, making it perfect for batch cooking and gifting.

We use less sugar in this recipe compared to other versions, and brown sugar for a more caramelised flavour. Paired with chocolate icing, it’s still plenty sweet!

Related: Hedgehog Slice / Weetbix Cake / Easy Scone Recipe

Easy Chocolate Weetbix Slice Recipe (2)

What is Weetbix Slice?

Weetbix slice is a super easy, old fashioned slice recipe we grew up with in Australia.It’s quite similar to other classic treats like chocolate concrete or Aussie crunch.

The most popular version is today’s chocolate coconut Weetbix slice, made with crushed Weetbix biscuits, flour, desiccated coconut butter, sugar and cocoa. Once baked, it’s iced with a simple chocolate icing.An alternative version is lemon Weetbix slice, made with lemon zest in the base and lemon icing on top.

This iconic slice is hugely popular for school fetes and kids parties. Back in the 80’s Aussie mums would also whip up a batch to put in kids school lunch boxes.

Just like our family favourite vanilla slice and jelly slice recipes, our Weetbix slice is a go-to quick and easy recipe that’s great to take to birthdays and celebrations.

What You’ll Need

  • Weetbix – The star of this amazing slice! If you don’t have any on hand, don’t worry! You can sub with any of your favourite cereals such as Cornflakes, Nutrigrain, Sultana Bran,or even quick oats etc. You can also use gluten free Weetbix varieties if you need.
  • Desiccated Coconut – This adds to the flavour and texture of the slice. Sub with shredded coconut, or if you don’t have quite enough, make up the rest of the quantity with quick oats.
  • Brown Sugar – We use brown sugar for a slightly caramelised flavour, but you can use any kind of sugar you have on hand.
  • Self Raising Flour – Sub with 1 cup of plain flour and 1 tsp of baking powder if you need. You can also swap for a high quality gluten-free flour if you prefer.
  • Butter – You can use salted or unsalted butter or swap for margarine or coconut oil if you prefer.
  • Icing Sugar – Also known as powdered sugar or confectioner’s sugar.
  • Cocoa – Use quality baking cocoa for a rich chocolate flavour. Regular drinking chocolate is made with sugar so won’t give you the same intensity of chocolate flavour (and may make the slice too sweet).
Easy Chocolate Weetbix Slice Recipe (3)

How to Make Weetbix Slice

Easy Chocolate Weetbix Slice Recipe (4)
Easy Chocolate Weetbix Slice Recipe (5)
Easy Chocolate Weetbix Slice Recipe (6)

Weetbix Slice Base

  1. Pre-heat the oven to 180C / 360F. BlendWeetbixbiscuits in a blender until broken up into a fine powder. Transfer to a large bowl and mix in the remaining dry ingredients (self raising flour,sugar,desiccated coconutandcocoa powder).
  2. Pour in themelted butterand mix until well combined.
  3. Press the mixture out into a 24 x 24 cm (9 x 9 in) square pan lined with baking paper.
  4. Bake for 15 minutes, then remove from the oven and allow to cool down slightly while you make the icing.Tip: Leave the slice in the tin to avoid it crumbling as it cools. If you make the mistake of taking it out while too hot and it crumbles, use a spoon to press it back down while it’s still warm and you’ll be able to salvage it – no stress!
Easy Chocolate Weetbix Slice Recipe (7)
Easy Chocolate Weetbix Slice Recipe (8)
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  1. In a small bowl mix together theicing sugar,cocoa powder,butterandmilkwith a spoon.Tip: Add 1-2 tsp of extra milk or warm water as required to loosen the icing if you find it’s sticking to the spoon instead of the slice and it’s too hard to spread. Pour onto the still warm slice and spread out over the surface using the back of the spoon.
  2. Garnish the slice with extradesiccated coconut.
  3. Pop into the fridge to cool for at least an hour (or overnight) before slicing. The firmer the slice, the easier it will be to cut without it crumbling!

Wandercook’s Tips

  • Just Use Crumbs – No need to use whole Weetbix biscuits, just save up the crumbly bits from the bottom of your box and store in a jar until you have enough to make this recipe!
  • Texture – For a fine crumb texture in the slice, pulse the Weetbix crumbs in a blender or food processor for a few seconds, or crush using a mortar and pestle for extra fun.
  • Tray Size – We use our trusty 24 x 24 cm (approx 9 x 9 inch) square lamington tray which is about 5 cm (2 inch) deep. You can also use a wide rectangular slice tin.
  • Bite Size Pieces – This recipe is so moreish, so we recommend slicing into smaller pieces to make it go even further (and you can feel better about eating ‘just one more piece’. 😉
  • Storage – Keep in an airtight container in the fridge for up to one week.

FAQs

Can I freeze Weetbix slice?

Yep you can! Once sliced up, store in an airtight container in the freezer for around 2-3 months. Pop a slice (still frozen) into your lunchbox and it will be defrosted by the time you’re ready to eat.

My slice is crumbly, what’s going on?

There are a couple of reasons: It may be that you didn’t use quite enough butter for the amount of dry ingredients, you may not have cooked it long enough or you tried to move or cut the slice while it was still warm. The reason for this is the butter is the only liquid holding everything together – there’s no eggs or condensed milk to bind it all. So, while the butter is hot, it’s still in a liquid form. Once it cools, it will set, holding the slice together firmly to keep it’s shape.

Variations

  • Alternate Presentation – Spoon out the mixture into muffin trays before baking for neat individual portions.
  • Alternate ‘Icing’ – Skip the original icing from the recipe, and scatter chocolate chips or melts across the top of the slice before baking. They’ll melt across the surface as it bakes! Otherwise, you could melt a big batch of chocolate in the microwave and slather over the top after baking, like we do in our hedgehog slice.
  • Extra Texture – Add crumbled Malteasers or chopped marshmallows on top before setting in the fridge. Or add a handful of crushed nuts into the mixture before baking.
  • Extra FlavourStir in vanilla essence or melted peanut butter before baking.
  • Dried Fruit – Add a handful of dried fruit such sultanas, currants, dates, raisins or mixed fruit.
  • Big Batch – Double or even TRIPLE the recipe to make a big batch for a special occasion!
  • Optional Garnish – Top with rainbow sprinkles or chocolate sprinkles (hagelslag), choc freckles or crumbled peppermint crisp.
Easy Chocolate Weetbix Slice Recipe (10)

Try these amazing recipes next:

  • Easy Aussie Trifle– The perfect super quick trifle recipe for busy cooks.
  • Vanilla Slice– This speedy slice is perfect for parties.
  • Aussie Crunch – A beloved crunchy choc cornflake slice, so easy to make.
  • Coconut Ice– The classic two layer treat for sweet tooths!
  • Caramilk White Christmas – Sweet, delicious and oh so festive slice.

★ Did you make this recipe? Please leave a comment and a star rating below!

Easy Chocolate Weetbix Slice Recipe

Use up those last few crumbs in the box and make our super easy chocolate Weetbix Slice. This classic Aussie slice recipe is the perfect sweet treat – just mix and bake!

5 from 48 votes

Print Recipe Pin Recipe Rate Recipe Save to Favourites

Prep Time: 10 minutes minutes

Cook Time: 15 minutes minutes

Cooling Time: 1 hour hour 5 minutes minutes

Total Time: 1 hour hour 30 minutes minutes

Course: Cake, Dessert, Snack

Cuisine: Australian

Servings: 9 Squares

Calories: 405kcal

Author: Wandercooks

Cost: $5

Equipment

Ingredients

For the slice

Makes:9 x 9inch rectangle

Instructions

Weetbix Slice Base

  • Pre-heat the oven to 180C / 360F.

  • BlendWeetbixbiscuits in a blender until broken up into a fine powder. Transfer to a large bowl and mix in the remaining dry ingredients (self raising flour,sugar,desiccated coconutandcocoa powder).

    60 g Weetbix biscuits, ¼ cup brown sugar, 1 cup desiccated coconut, 1 cup self raising flour, 2 tbsp cocoa powder

  • Pour in themelted butterand mix until well combined. Press the mixture out into a 24 x 24 cm (9 x 9 in) square pan lined with baking paper.

    180 g butter

  • Bake for 15 minutes, then remove from the oven and allow to cool down slightly while you make the icing.Tip: Leave the slice in the tin to avoid it crumbling as it cools. If you make the mistake of taking it out while too hot and it crumbles, use a spoon to press it back down while it’s still warm and you’ll be able to salvage it – no stress!

Chocolate Icing

  • In a small bowl mix together theicing sugar,cocoa powder,butterandmilkwith a spoon.Tip: Add 1-2 tsp of extra milk or warm water as required to loosen the icing if you find it’s sticking to the spoon instead of the slice and it’s too hard to spread.

    1 cup icing sugar / powdered sugar, 1 1/2 tbsp cocoa powder, 50 g butter, 1 tbsp milk

  • Pour icing onto the still warm slice and spread out over the surface using the back of the spoon. Garnish with extra desiccated coconut. Pop into the fridge to cool for at least an hour (or overnight) before slicing. The firmer the slice, the easier it will be to cut without it crumbling!

    2 tbsp desiccated coconut

Video

Easy Chocolate Weetbix Slice Recipe (12)

Recipe Notes

  • Just Use Crumbs –No need to use whole Weetbix biscuits, just save up the crumbly bits from the bottom of your box and store in a jar until you have enough to make this recipe!
  • Texture– For a fine crumb texture in the slice, pulse the Weetbix crumbs in a blender or food processor for a few seconds, or crush using a mortar and pestle for extra fun.
  • Tray Size– We used our trusty 24 x 24 cm (approx 9 x 9 inch) squarelamingtontray which is about 5 cm (2 inch) deep.
  • Bite Size Pieces– This recipe is so moreish, so we recommend slicing into smaller pieces to make it go even further (and you can feel better about eating ‘just one more piece’. 😉
  • Storage– Keep in an airtight container in the fridge for up to one week.

Nutrition

Nutrition Facts

Easy Chocolate Weetbix Slice Recipe

Amount per Serving

Calories

405

% Daily Value*

Fat

28

g

43

%

Saturated Fat

19

g

119

%

Trans Fat

1

g

Polyunsaturated Fat

1

g

Monounsaturated Fat

6

g

Cholesterol

55

mg

18

%

Sodium

237

mg

10

%

Potassium

157

mg

4

%

Carbohydrates

38

g

13

%

Fiber

4

g

17

%

Sugar

21

g

23

%

Protein

4

g

8

%

Vitamin A

814

IU

16

%

Vitamin C

14

mg

17

%

Calcium

24

mg

2

%

Iron

5

mg

28

%

* Percent Daily Values are based on a 2000 calorie diet.

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Easy Chocolate Weetbix Slice Recipe (13)

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Easy Chocolate Weetbix Slice Recipe (2024)
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