There’s nothing like the smell of something baking that takes you back to a kitchen table full of stories and sunlit windows. This Weet-Bix Bar is the kind of slice Mama would tuck into a tin and send with you for afternoon tea—simple, honest comfort. If you ever find yourself hankering for a citrus twist, you might enjoy this lemon Weet-Bix slice I sometimes think of while stirring.
Why make this recipe
This recipe is the kind your grandmother would have pulled from a well-loved recipe card. It’s quick, needs pantry staples, and gives you a chocolate-y, coconut-kissed treat that’s both childhood and home all at once. It’s perfect for potlucks, school lunches, or a quiet afternoon with a glass of cold milk and a rocking chair.
How to make Weet-Bix Bar
Gather your bowls, a little patience, and a heart ready for nostalgia. You’ll mash, melt, and press, and before you know it the whole house smells like warmth and comfort. For a playful twist on the idea of slice recipes, some families like to keep a jar of sweet treats nearby—try comparing notes with a beloved lolly slice for inspiration when you’re experimenting.
Ingredients:
- 5 Weet-Bix, crushed
- 1 1/2 cups plain flour
- 2 tsp baking powder
- 2 tbsp cocoa
- 3/4 cup desiccated coconut
- 1 cup sugar
- 2 tbsp golden syrup
- 200g margarine
- 1 tsp vanilla essence
- 2 cups icing sugar, sifted
- 2 tbsp cocoa (for icing)
- 1 tbsp margarine (for icing)
- boiling water (for icing)
Directions:
- Combine Weet-Bix, flour, baking powder, cocoa, and coconut in a mixing bowl.
- In a saucepan, place sugar, golden syrup, and margarine; simmer until sugar is dissolved.
- Add vanilla essence and blend together.
- Pour the liquid blend over dry ingredients and mix well.
- Press the mixture into a lined 20cm x 30cm baking dish.
- Bake in a moderate oven at 180C for 15 minutes or until firm. Remove from oven and allow to cool.
- To make icing, combine icing sugar, cocoa, and margarine in a bowl. Gradually add boiling water, mixing until the desired thickness is reached.
- Spread icing over the cooled slice.
How to serve Weet-Bix Bar
Slice it into generous squares and set them on a plate alongside a pot of strong tea or a tall glass of milk. These bars are perfect for passing around the table—every bite should feel like a warm hello. If you’re serving at a family gathering, placing a little stack on the counter invites folks to help themselves while stories flow.
How to store Weet-Bix Bar
Keep the slice in an airtight container at room temperature for up to 3 days, or pop it in the fridge if you prefer a firmer icing—chilled slices are mighty satisfying on a hot afternoon. For longer keeping, wrap portions tightly and freeze for up to a month; thaw on the counter before serving.
Tips to make Weet-Bix Bar
- Crush the Weet-Bix finely for a smoother texture, or leave a few crumbs chunkier if you like a bit of rustic chew.
- When melting the margarine with sugar and syrup, keep the heat gentle—just enough to dissolve the sugar without boiling away the golden syrup.
- If your icing seems too thin, add a touch more sifted icing sugar; if too stiff, a splash more boiling water will soften it.
- For a family-friendly experiment, compare textures with other favorites like the gooey Mars Bar slice to find the perfect balance you love.
Variations (if any)
- Add a handful of chopped nuts for a little crunch.
- Stir in a few chocolate chips for extra melt-in-your-mouth pockets.
- Swap the margarine for butter for a richer flavor, or use honey instead of golden syrup for a lighter sweetness.
FAQs
Q: Can I use fresh-baked Weet-Bix or cereal substitutes?
A: You’ll want something with a similar texture to classic Weet-Bix; most plain wheat biscuits or coarse rolled oats can work, but the flavor and texture will shift slightly.
Q: Is margarine necessary, or can I use butter?
A: Butter will give a richer, slightly creamier taste. Margarine keeps it classic and budget-friendly, but both work well—just mind that butter may brown quicker during baking.
Q: My icing went lumpy—how can I fix it?
A: Sift the icing sugar before mixing, and add boiling water slowly while whisking. If lumps remain, a quick whisk or a few seconds with an electric mixer will smooth it out.
Q: Can I make these gluten-free?
A: Yes—use a gluten-free plain flour blend and ensure your Weet-Bix substitute is certified gluten-free to keep the texture close to the original.
Conclusion
There’s a kind of gentle joy in recipes that travel through generations—this Weet-Bix Bar lives in that sweet spot between simple and soulful. If you’d like another take on the classic, the Chocolate Weetbix Slice on Just a Mum’s Kitchen gives a lovely variation, and for a straightforward, easy-to-follow version you might enjoy the Easy Chocolate Weetbix Slice from VJ Cooks. Come back to this slice when you want a little porch-time comfort—there’s always room for one more piece and one more story.

Weet-Bix Bar
Ingredients
Method
- Combine Weet-Bix, plain flour, baking powder, cocoa, and desiccated coconut in a mixing bowl.
- In a saucepan, place sugar, golden syrup, and margarine; simmer until sugar is dissolved.
- Add vanilla essence to the saucepan and blend together.
- Pour the liquid blend over the dry ingredients and mix well.
- Press the mixture into a lined 20cm x 30cm baking dish.
- Bake in a moderate oven at 180°C for 15 minutes or until firm.
- Remove from the oven and allow to cool.
- Combine icing sugar, cocoa, and margarine in a bowl.
- Gradually add boiling water, mixing until the desired thickness is reached.
- Spread icing over the cooled slice.