Part of our comprehensive guide
The Complete Guide to Sugar Alternatives: Everything You Need to Know →Classic Crème Brûlée with Jaca
The iconic French custard dessert — silky, rich vanilla custard hidden under a thin, glassy, crackable caramelized top. The granulated sugar in both the custard and the brûlée crust is replaced with Jaca (allulose) at double the amount, so you still get that signature creamy custard and the satisfying crack of caramelized topping — without the conventional sugar. Adapted from Sally's Baking Addiction. This is a Jaca-adjusted healthier version.
Ingredients
- 5 whole large egg yolks
- 1 1/2 cups Jaca (allulose), divided (replaces 3/4 cup granulated sugar at 2x ratio — 1 cup goes in the custard, 1/2 cup is reserved for the brûlée topping)
- 3 cups heavy cream or heavy whipping cream
- 1/2 teaspoon espresso powder (optional but recommended — deepens the vanilla without making it taste like coffee)
- 1/4 teaspoon fine salt
- 1 1/2 teaspoons pure vanilla extract
- 8 whole shallow 4-ounce ramekins (oval or round — shallow shape gives more surface area for the brûlée crust)
- 1 kettle boiling water (for the water bath)
Sweetener Used
1 1/2 cups Jaca (allulose), divided Allulose
Replaces: 3/4 cup granulated sugar
Instructions
- 1
Preheat the oven to 325°F (163°C). Bring a kettle of water to a boil for the water bath and set it aside.
- 2
In a medium bowl, whisk the egg yolks together with 1 cup of the Jaca until pale and slightly thickened, about 1 minute. Set aside.
- 3
In a medium saucepan, combine the heavy cream, espresso powder, and salt. Heat over medium, whisking occasionally, until small bubbles form around the edges and the mixture is steaming — do not let it boil. Remove from the heat and stir in the vanilla extract.
- 4
Slowly ladle about 1/2 cup of the warm cream into the egg yolk mixture, whisking constantly — this tempers the yolks so they do not scramble. Pour the warmed yolk mixture back into the remaining cream in the saucepan, whisking the whole time, until smooth.
- 5
Arrange the 8 ramekins in a deep baking pan or roasting pan. Divide the custard evenly between them — a measuring cup with a spout makes this clean.
- 6
Carefully pour the boiling water into the baking pan around the ramekins until it reaches about halfway up their sides. Do not splash water into the custards.
- 7
Bake until the edges are set but the centers still jiggle slightly when nudged, about 30 to 35 minutes. An instant-read thermometer inserted into the center should read about 170°F (77°C). Custards baked with Jaca will set up at the same temperature as conventional custards but read very slightly looser when warm — they firm up beautifully as they chill.
- 8
Carefully lift the ramekins out of the water bath and transfer them to a wire rack. Cool completely at room temperature, about 1 hour.
- 9
Cover the cooled custards loosely with plastic wrap and refrigerate for at least 4 hours, or up to 2 days. They must be cold all the way through before brûléeing.
- 10
Just before serving, blot the surface of each chilled custard gently with a paper towel to remove any condensation. Sprinkle 1 tablespoon of the reserved Jaca evenly over each custard, tilting the ramekin to coat the surface in a thin, even layer.
- 11
Hold a kitchen torch about 2 inches from the surface and move it in slow circles until the Jaca melts, bubbles, and turns deep amber. Important: allulose caramelizes faster and at a lower temperature than conventional sugar — keep the torch moving and pull back the moment you see deep amber, or the topping will go bitter. The crust sets up glassy within about 30 seconds of cooling.
- 12
Serve immediately, while the custard is cold and the topping is still snappy. Crack the top with the back of a spoon and dig in.
Pro Tips
- Allulose caramelizes faster than conventional sugar — this is actually a feature, not a bug. The brûlée topping comes together in roughly half the torch time. Move the torch constantly and pull off heat the moment the surface goes deep amber.
- Do not skip the espresso powder. Half a teaspoon is invisible on the palate but it amplifies the vanilla and gives the custard that restaurant-style depth.
- Whole vanilla bean is even better than extract if you have one. Split a half bean lengthwise, scrape the seeds into the cream, and steep the pod in the warm cream for 10 minutes before straining. Add 1 teaspoon of vanilla extract on top for a double dose.
- Shallow ramekins (4 oz oval or round) are the move. The classic ratio of crackly top to creamy custard depends on plenty of surface area. A deep ramekin of the same volume gives you more custard than crust, which is the wrong balance.
- Cold custard, dry surface — this is the rule for a clean brûlée. Pull the custards straight from the fridge, blot the tops, sprinkle the Jaca, and torch immediately. A wet surface steams instead of caramelizing.
- No torch? You can broil the tops 2 to 3 inches under a screaming-hot broiler for 1 to 2 minutes, watching constantly — but a torch is dramatically better and worth the $20.
- Make-ahead friendly: bake and chill the custards up to 2 days in advance. Brûlée the tops only at the moment of serving, or the crust will soften within 20 to 30 minutes once it pulls moisture out of the custard.
- Save the egg whites — they freeze well in an ice cube tray and are perfect for meringue, macarons, or omelets.