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Close-up of rich chocolate oblivion truffle bars with glossy fudgy texture and dark chocolate coating
Desserts

Chocolate Oblivion Truffle Bars – Pure Decadence in Every Bite! 🍫

These Chocolate Oblivion Truffle Bars are pure heaven—rich, velvety, and absolutely impossible to stop eating once you start.

5.0 (1)
Prep
20 min
chill
3hr 45min
Cook
15 min
Total
35 min
Serves
12
Style
💰 Everyday
Originally Published May 2019Last Updated September 2024

If you're a true chocolate lover, these Chocolate Oblivion Truffle Bars are the ultimate indulgence. With their rich, velvety texture and intense chocolate flavour, these bars are like biting into pure truffle heaven. Made with only a few simple ingredients—chocolate, butter, and eggs—this recipe delivers all the decadence of a truffle in bar form. The key to their flawless texture is gentle baking and patience. Whether you're serving them as a fancy dessert or treating yourself, these bars are pure bliss.

I couldn't agree more with Rose Levy Beranbaum's description—this dessert is truly a better delivery system for chocolate than chocolate itself! Once you start, it's nearly impossible to stop. It's amazing the day you make it, but somehow, it becomes even more irresistible the next day. This recipe has quickly become one of our household favourites.

To make it my own, I've added a sprinkle of salt to enhance the chocolate's flavour. Next time, I might try adding espresso powder to deepen the richness even further!

Look how much this cake firms up. From barely set and wobbly cake that just comes out from the oven, to extremely moist and barely stable cake as in the profile picture to these sturdy, firm, melt-in-your mouth bars after couple of hours of refrigeration.

Ingredients

Servings:
12
  • 16 oz semi-sweet chocolate (I use Baker's with great success,) chopped
  • DO NOT USE CHOCOLATE CHIPS
  • 2 sticks unsalted butter, room temperature
  • 6 eggs, room temperature
  • pinch of salt

Instructions

  1. Chocolate Ganache Base

    1

    Preheat the oven to 425°F (220°C). Butter an 8x8-inch (20x20cm) square aluminium or steel baking dish and line it with parchment paper. Let some of the parchment paper overhang for easier removal. Ensure that you line the parchment very well, covering all sides of the dish. I've attached a picture—for easy removal, properly lining the pan for this recipe is key.

  2. 2

    Bring a pot of water to a boil. After it boils, remove it from the heat. In a heat-proof bowl, combine the chocolate, salt, and butter and set it over the hot water. Allow the mixture to sit undisturbed, then stir gently until a melted and smooth ganache has formed. If for any reason the mixture did not melt (for example, if the chocolate wasn't chopped finely enough), return the pot to the heat while stirring the chocolate mixture until melted. Remove it from the heat and allow it to cool.

  3. 3

    In the meantime, use the same pot of simmering water and set a bowl from your stand mixer with eggs in it over the simmering water. Stir the eggs constantly until they become just warm to the touch; stirring constantly is essential to avoid scrambling them. The goal here is not to cook the eggs to any specific temperature—the goal is to warm them up, as doing so results in them expanding more when we beat them in the next step.

  4. 4

    As soon as the eggs are warm, bring the bowl to the mixer and whip them on high for about 5 minutes until they're lighter in colour and the eggs have tripled in volume and are cool to the touch. Fold half of the eggs into the chocolate mixture to lighten it. Then fold in the rest gently with a rubber spatula until no streaks remain. Scrape the mixture into the prepared pan.

  5. Baking

    5

    Set the prepared pan inside another larger pan and pour enough hot tap water to surround it with 1 inch (2.5cm) of water. Take great care not to splash any water into the cake, as it will ruin it. Place it into the preheated oven.

  6. 6

    Bake for 5 minutes. After 5 minutes, loosely cover it with lightly greased aluminium foil and bake for another 10 minutes. Resist the temptation to overbake. The mixture will wobble quite a bit and seem not quite done. The edges, however, will look firm, and if you very gently touch the middle, it will be extremely soft but not raw. This cake will set and firm up as it cools. I have to admit I personally baked it for 17 minutes and it came out good, but seeing how much it set in the fridge, 15 minutes as stated by Rose Levy Beranbaum should be sufficient. (Having said that, if your oven runs cooler, you may need that extra minute or two, so as with all recipes, look for the described texture and use your discretion.)

  7. Cooling & Chilling

    7

    When finished baking, remove the cake from the oven and remove it from the water bath. Allow it to sit at room temperature and cool for about 45 minutes. When no trace of warmth remains, cover it tightly with plastic wrap and refrigerate for at least 3 hours, or preferably overnight.

  8. Slicing & Serving

    8

    When the cake is chilled and firm, grab the parchment paper and gently lift the cake out of the baking dish. Hold a sharp knife over hot tap water, wipe it dry with a paper towel, and slice the cake into bars. Hold the knife under hot water and dry it with a paper towel after each slice for clean cuts.

FAQ

Can I make chocolate oblivion truffle bars ahead of time?+
Yes! These bars actually taste better after a day or two as the flavors develop. Store them in an airtight container in the refrigerator for up to 5 days, or freeze for up to 2 months—just thaw at room temperature for 30 minutes before serving.
Why can't I use chocolate chips instead of chopped chocolate?+
Chocolate chips contain stabilizers that prevent them from melting smoothly, which will give you a grainy texture instead of the silky, truffle-like center these bars are known for. Chopped bar chocolate melts evenly and creates that pure, decadent consistency you're after.
What should I do if my batter breaks or looks grainy?+
This usually happens if your eggs or butter weren't at room temperature, or if you added them too quickly. If it breaks during mixing, try warming the bowl slightly over steam while stirring gently, or strain the batter through a fine-mesh sieve before baking to save it.
How do I know when these bars are done baking?+
The edges should be set and slightly pulling away from the pan, but the center will still look a little underdone and jiggly—that's exactly what you want! They'll set up as they cool, giving you that fudgy truffle texture rather than a cake-like bar.

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