Chocolate Triangle Log (Thermomix Recipe)
This Chocolate Triangle Log is a classic no-bake dessert that’s rich, nostalgic, and incredibly easy to make with the Thermomix. Shaped into a triangle and sliced to reveal a marbled interior, it’s perfect for holidays, parties, or anytime you want an impressive dessert without turning on the oven.
Made with crushed biscuits, cocoa, butter, and chocolate, this log sets beautifully in the fridge and slices cleanly. It’s a favorite across Europe and especially popular for festive tables.
Why You’ll Love This Recipe
-
No baking required
-
Ready in minutes with the Thermomix
-
Rich chocolate flavor
-
Fun triangle shape with a striking slice
-
Perfect make-ahead dessert
Ingredients
Serves 8–10 slices.
-
200 g plain tea biscuits (or digestive biscuits)
-
100 g dark chocolate
-
100 g unsalted butter, cubed
-
80 g sugar
-
30 g unsweetened cocoa powder
-
1 egg
-
1 teaspoon vanilla extract
-
Pinch of salt
Optional Decoration
-
Powdered sugar
-
Melted chocolate drizzle
-
Coconut flakes or cocoa powder
Thermomix Instructions
1. Crush the Biscuits
Add biscuits to the Thermomix bowl.
5 sec / Speed 6
Transfer to a large bowl and set aside.
2. Melt Chocolate and Butter
Add chocolate and butter to the Thermomix bowl.
3 min / 50°C / Speed 2
Scrape down sides if needed.
3. Add Remaining Ingredients
Add sugar, cocoa powder, egg, vanilla extract, and salt.
20 sec / Speed 4
Mixture should be smooth and glossy.
4. Combine with Biscuits
Pour the chocolate mixture over the crushed biscuits. Mix with a spatula until fully combined.
Shaping the Triangle Log
-
Place the mixture onto baking paper or cling film.
-
Shape into a long log.
-
Fold the paper to form a triangle shape, pressing gently along the sides.
-
Roll tightly and twist the ends to secure.
Refrigerate for at least 3 hours, or until firm.
Serving Suggestions
-
Slice with a sharp knife for clean edges
-
Dust with powdered sugar for a snowy finish
-
Serve with whipped cream or berries
-
Perfect alongside coffee or tea
Tips for Best Results
-
Use good-quality cocoa and chocolate for best flavor
-
Chill fully before slicing
-
Dip the knife in hot water and wipe dry between cuts
-
For a firmer log, chill overnight
Variations
-
Nutty version: Add chopped walnuts or hazelnuts
-
Orange chocolate: Add grated orange zest
-
Milk chocolate: Swap dark chocolate for a sweeter log
-
Alcohol-free friendly: This recipe contains no alcohol
Storage
-
Refrigerator: Up to 5 days, wrapped well
-
Freezer: Up to 2 months (slice before freezing for convenience)
Final Thoughts
This Thermomix Chocolate Triangle Log is a timeless, no-fuss dessert that delivers big flavor with minimal effort. Whether served at a celebration or enjoyed as a simple treat, it’s guaranteed to disappear quickly.