Keto Chocolate Creme Brulee
⏲ ~44 min total · prep 12 · cook 32 · 4 servings
Dinner⏱ 195 min total🔥 4.7g net carbs
By the KFI Test Kitchen · Tested & approved by Jason Lieu, KFI recipe editor
Published Sep 15, 2026 · Updated Sep 15, 2026
Ingredients
- 2 cups heavy cream
- 4 oz sugar-free dark chocolate (85% or stevia-sweetened), chopped
- 5 large egg yolks
- 1/3 cup powdered erythritol
- 1 tsp vanilla extract
- 1/4 tsp fine sea salt
- 2 tbsp allulose (for the crackly top)
Instructions
- Heat the oven to 325°F and set four 6-oz ramekins inside a 9x13-inch baking dish.
- Warm the cream in a 2-quart saucepan over medium until steaming with tiny bubbles at the edge (about 180°F — do not let it boil). Off the heat, whisk in the chopped chocolate until the base is glossy and smooth.
- Whisk the yolks, erythritol, and salt in a bowl for 1 minute until pale and slightly thickened, then slow-stream in the hot chocolate cream while whisking constantly so the yolks don't scramble. Stir in the vanilla.
- Strain the custard through a fine-mesh sieve into the ramekins — this is what keeps the set silky — and cover the dish with foil.
- Pour boiling water into the baking dish until it reaches halfway up the ramekins, and bake 30-35 minutes: edges set, centers wobbling like gelatin when you nudge the dish.
- Lift the ramekins out, cool 20 minutes on a rack, then chill at least 2 hours (overnight is better).
- Before serving, blot any surface condensation with paper towel, sprinkle 1 1/2 teaspoons allulose over each, and torch 3-4 inches away until fully amber in a thin even layer (or slide under a hot broiler for 2 minutes).
- Let the shells harden 2 minutes before cracking in with a spoon.
Why this recipe works
- Chocolate melted off the heat Chopped sugar-free dark chocolate whisked into 180°F cream, away from the burner, melts into a glossy base without scorching. Boiled cream makes a grainy custard before the eggs even arrive.
- Strain, then water bath A fine-mesh sieve catches any bit of cooked egg before it can ruin the set, and a foil-covered water bath bakes the custards gently for 30 to 35 minutes. Edges set, centers wobble like gelatin; that is doneness.
- Allulose owns the top The 2 tablespoons of allulose are reserved for the shell because it torches to a thin, even amber. The erythritol in the custard sweetens; the allulose crunches.
Tips for making this recipe well
180°F, not a boil
Warm the cream until it steams with tiny bubbles at the edge. Boiling changes the proteins and shows up later as curdled texture.
Stream slowly, whisk always
Add the hot chocolate cream to the yolks in a slow stream while whisking without stopping. Poured fast, the heat scrambles the yolks on contact.
Trust the wobble
At 30 to 35 minutes, the edges should be set while the centers rock like set gelatin when you nudge the dish. They firm in the chill; baked-firm centers go dense.
Blot, then torch
Dry the surface of each chilled custard with paper towel before the allulose goes on. The topping refuses to crust over condensation.
Overnight beats two hours
Two hours of chilling is the minimum; overnight gives a colder, firmer set and cleaner layers against the shell. Torch right before serving, then wait 2 minutes before cracking.
Serving suggestions
Plan this a day ahead, because the chill is where the texture gets earned. Serve the ramekins cold from the fridge and crack the amber shell at the table; cold custard under warm, brittle glass is the entire point. The recipe fills four 6-ounce ramekins and lists 4.7 net carbs. No sauce, no garnish; the shell and the set are the show.
Storage and meal prep
The custards keep beautifully; the shell does not. Chill the ramekins covered for up to 3 to 4 days and torch each top right before serving, because an amber crust softens and weeps in the fridge within hours. If you are serving a crowd, stage the blotted, dry ramekins and torch in two waves. The freezer is a hard no; dairy custards separate as they thaw and never re-set.
Variations worth trying
- Mocha brulee Whisk 1 teaspoon of instant espresso into the hot cream with the chocolate. Coffee and dark chocolate deepen each other.
- Orange-scented Steep the peel from one orange in the warming cream, then fish it out. Chocolate and orange argue well together.
- Vanilla-forward Leave out the chocolate and add a second teaspoon of vanilla to the base. You get the classic custard with the same shell.
- Salted shell Pinch a few flakes of salt over each torched top while it is still molten. Sweet shell and salt clear ramekins fast.
Frequently asked questions
Why did my custard turn grainy?
Usually the cream boiled, or the hot cream hit the yolks too fast and scrambled them. Keep the cream at 180°F with tiny edge bubbles and stream it in slowly while whisking; the sieve is your safety net for strays.
I don't have a kitchen torch. Can I still get the shell?
Yes. Slide the sugared ramekins under a hot broiler for about 2 minutes, watching the whole time, until the tops turn fully amber.
Why allulose on top instead of erythritol?
Allulose melts and ambers under the torch into a thin, even shell, which is what the crackly top needs. The powdered erythritol is doing the sweetening work inside the custard.
Can I skip the water bath?
It is not the step to cut. The bath keeps the oven heat gentle and even; without it, the edges set long before the centers and the texture turns rubbery.
How far ahead can I make these?
The custards are at their best after an overnight chill and keep 3 to 4 days covered in the fridge. Hold off on the allulose and torching until right before serving.
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