Macadamia and Davidson’s Plum Chocolate Slice

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

A decadent no-bake chocolate slice featuring crunchy macadamia nuts and tangy Davidson’s plum for a uniquely Australian dessert experience. This australian-inspired desserts ready in about 15 minutes layers digestive biscuits, crushed, unsalted butter, melted, dark chocolate (70%), chopped into a dessert worth slowing down for — great for weekend baking, holiday tables, or any time you want a sweet payoff at the end of a meal. Each serving lands at about 280 calories and feeds 12, so it slots into a weekend bake or a special-occasion dessert tray. 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 280 cal/serving
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Ingredients

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Instructions

  1. Step 1: Line an 8x8 inch square pan with parchment paper. In a bowl, mix 1 1/2 cups crushed digestive biscuits with 6 tbsp melted unsalted butter until evenly combined. Press this mixture firmly into the base of the prepared pan.
  2. Step 2: In a heatproof bowl over simmering water, melt 8 oz chopped dark chocolate with 1/2 cup sweetened condensed milk, stirring frequently until smooth.
  3. Step 3: Remove from heat and stir in 1 tsp vanilla extract and 1/4 cup Davidson’s plum jam or puree until well blended.
  4. Step 4: Fold 3/4 cup roughly chopped macadamia nuts into the chocolate mixture.
  5. Step 5: Pour the chocolate and nut mixture over the biscuit base and spread evenly with a spatula. Sprinkle 1/4 tsp sea salt flakes on top.
  6. Step 6: Refrigerate for at least 3 hours until firm. Cut into slices and serve chilled.

Frequently asked questions

How long does Macadamia and Davidson’s Plum Chocolate Slice take to make?

Total time is about 15 minutes (15 min prep + 0 min cook). Most home bakers find this fits a weekend afternoon; chill or store as the recipe directs before serving.

How do I store leftover Macadamia and Davidson’s Plum Chocolate Slice?

Cool fully before storing. Most baked desserts keep at room temperature in an airtight container for 2–3 days, or in the fridge for up to 5 days. Cream- or custard-based desserts must go in the fridge within 2 hours; reheat gently or serve cold per the recipe.

Can I substitute ingredients in Macadamia and Davidson’s Plum Chocolate Slice?

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 Macadamia and Davidson’s Plum Chocolate Slice 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 Macadamia and Davidson’s Plum Chocolate Slice?

Australian desserts 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.

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