No-Bake Weet-Bix Slice with Dark Chocolate and Macadamia

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A classic Australian snack combining crunchy Weet-Bix, rich dark chocolate, and buttery macadamias in a simple no-bake slice. This australian-inspired snacks ready in about 15 minutes turns biscuits, crushed Weet-Bix biscuits, chopped dark chocolate (70% cocoa), unsalted butter into a satisfying snack for between meals, packed lunches, or game-day spreads — minimal active time and easy to scale up for a crowd. Each serving lands at about 250 calories and feeds 12, so it fits into lunchboxes, road trips, or an afternoon-energy gap without derailing the day. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 15 min Serves 12 Australian cuisine 250 cal/serving
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Ingredients

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Instructions

  1. Step 1: Line a 9x9 inch square baking pan with parchment paper. In a medium saucepan over low heat, melt 200 g chopped dark chocolate with 100 g unsalted butter and 1/2 cup sweetened condensed milk, stirring continuously until smooth.
  2. Step 2: Remove from heat and fold in 5 crushed Weet-Bix biscuits, 1/2 cup roughly chopped macadamia nuts, and 1/4 cup desiccated coconut until evenly combined.
  3. Step 3: Transfer the mixture into the prepared pan and press down firmly with the back of a spoon to create an even layer.
  4. Step 4: Refrigerate for at least 2 hours until firm. Cut into squares and serve chilled.

Frequently asked questions

How long does No-Bake Weet-Bix Slice with Dark Chocolate and Macadamia take to make?

Total time is about 15 minutes (15 min prep + 0 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover No-Bake Weet-Bix Slice with Dark Chocolate and Macadamia?

Store in an airtight container at room temperature for crisp items, or in the fridge for anything dairy- or produce-based, for up to 3–5 days. Re-crisp baked snacks in a 300°F oven for 5 minutes if they soften.

Can I substitute ingredients in No-Bake Weet-Bix Slice with Dark Chocolate and Macadamia?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale No-Bake Weet-Bix Slice with Dark Chocolate and Macadamia for a different number of people?

The recipe is written for 12 servings. Multiply each ingredient by (your serving target / 12). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with No-Bake Weet-Bix Slice with Dark Chocolate and Macadamia?

Australian snacks like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.