No-Bake Chocolate Hedgehog Slice with Tim Tam Crust

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

A nostalgic Australian dessert featuring a crunchy Tim Tam biscuit crust layered with chocolate and coconut in a rich no-bake slice. This australian-inspired desserts ready in about 15 minutes layers crushed Tim Tam biscuits, melted unsalted butter, caster sugar 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 320 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 320 cal/serving
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Ingredients

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Instructions

  1. Step 1: Line a 9x9 inch square pan with baking paper. In a large bowl, combine 200 g crushed Tim Tam biscuits with 100 g melted unsalted butter, 1/2 cup caster sugar, and 2 tbsp cocoa powder. Mix until evenly combined.
  2. Step 2: Press the biscuit mixture firmly into the base of the prepared pan to form the crust.
  3. Step 3: In a separate bowl, mix together 1 cup sweetened condensed milk, 1 cup desiccated coconut, 1/2 cup chopped walnuts, and 1/2 cup dark chocolate chips until fully combined.
  4. Step 4: Spread the chocolate-coconut mixture evenly over the biscuit crust, smoothing the top.
  5. Step 5: Refrigerate the slice for at least 4 hours or overnight until firm. Cut into squares and serve chilled.

Frequently asked questions

How long does No-Bake Chocolate Hedgehog Slice with Tim Tam Crust 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 No-Bake Chocolate Hedgehog Slice with Tim Tam Crust?

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 No-Bake Chocolate Hedgehog Slice with Tim Tam Crust?

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 Chocolate Hedgehog Slice with Tim Tam Crust 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 Chocolate Hedgehog Slice with Tim Tam Crust?

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.