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Pieces of chocolate slice with sprinkles on top.
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Thermomix Weet-Bix Slice

Our Thermomix Weet-Bix Slice is a family favourite! It's perfect for the kids lunch boxes too.
Course Slices
Cuisine Australian
Prep Time 10 minutes
Cook Time 18 minutes
Cooling Time 1 hour
Total Time 1 hour 28 minutes
Servings 20 serves
Calories 165kcal
Cost $5

Equipment

  • 28 x 18cm slice tin
  • Thermomix
  • Oven

Ingredients

  • 200 g Weet-Bix approx 12 Weet-Bix
  • 200 g butter unsalted
  • 30 g cocoa powder
  • 150 g brown sugar
  • 30 g desiccated coconut
  • 1 egg

Chocolate Icing

  • 225 g icing sugar
  • 1 tablespoon cocoa
  • 1 teaspoon butter
  • 2 tablespoon boiling water
  • 100s and 1000s or sprinkles

Instructions

  • Preheat oven to 160 degrees celsius (fan-forced) and line an 18 x 28cm slice tray with baking paper.
  • Place the Weet-Bix into the Thermomix bowl and mix for 10 seconds, Speed 7 until finely crushed. Transfer the Weet-Bix crumbs to a seperate bowl and set aside until needed.
  • Without washing the bowl, place the butter into the Thermomix bowl and melt for 3 minutes, 60 degrees, Speed 2.
  • Add the crushed Weet-Bix, cocoa powder, brown sugar, coconut and egg and mix for 10 seconds, Speed 4. Scrape down the sides of the bowl and mix for a further 10 seconds, Speed 4.
  • Transfer the mixture to your prepared slice tray and cook for 18 - 20 minutes, or until the slice is firm to the touch.
  • Allow the slice to cool completely in the tin before preparing the icing.
    Place all of the icing ingredients into a clean and dry Thermomix bowl and mix for 30 seconds, Speed 3.
    Scrape down the sides of the bowl and mix for a further 20 seconds, Speed 3 or until smooth.
  • Pour the icing over the completely cooled slice and use a butter knife to smooth. Decorate with 100s and 1000s or sprinkles.

Notes

RECIPE NOTES & TIPS
  • It's completely fine for there to be a little melted butter remaining on top of the slice when it comes out of the oven. It will disappear very quickly.
  • When you are making this recipe, it's important to make sure you allow the slice to cool completely before adding the icing, otherwise it will be impossible to spread.
  • Place the slice into the fridge or freezer to hurry up the cooling process before adding the icing.
  • Store in an airtight container and store in the fridge for up to 1 week.
  • This slice can be frozen in an airtight container for up to 3 months.

Nutrition

Calories: 165kcal | Carbohydrates: 20g | Protein: 1g | Fat: 10g | Saturated Fat: 6g | Trans Fat: 1g | Cholesterol: 30mg | Sodium: 80mg | Potassium: 53mg | Fiber: 1g | Sugar: 18g | Vitamin A: 268IU | Vitamin C: 1mg | Calcium: 13mg | Iron: 1mg