Tiramisu gets a low-carb makeover in this rich, creamy keto version that tastes just as indulgent as the classic. Layers of soft almond-flour sponge are soaked with coffee and stacked with a smooth mascarpone cream, creating that signature melt-in-your-mouth texture—without the sugar or traditional flour. It’s a dessert that feels restaurant-quality but stays fully keto-friendly.
The base of this cake is a light almond flour sponge that mimics ladyfingers. It’s slightly airy, soft, and sturdy enough to absorb coffee without falling apart. The filling is a whipped mascarpone and cream mixture sweetened with keto-friendly sweetener, giving it that luxurious, silky texture that defines tiramisu. A dusting of cocoa powder on top adds the final bitter contrast.
What makes this version stand out is how well it balances richness and lightness. The coffee cuts through the creamy layers, while the almond sponge keeps it from feeling too heavy. Each bite delivers bold espresso flavor, smooth cream, and just enough sweetness to feel like a true dessert without spiking carbs.
This keto tiramisu is perfect for special occasions, meal prep desserts, or impressing guests who won’t believe it’s low-carb. It also sets beautifully in the fridge, making it even better the next day as the flavors deepen and the layers firm up.
Ingredients
Almond Sponge Layer
- 4 large eggs
- 1 cup almond flour
- 1/3 cup erythritol or keto sweetener
- 1 tsp baking powder
- 1 tsp vanilla extract
- 2 tbsp melted butter
- Pinch of salt
Coffee Soak
- 1 cup strong brewed coffee or espresso (cooled)
- 1–2 tbsp keto sweetener (optional)
Cream Layer
- 1 cup mascarpone cheese
- 1 cup heavy whipping cream
- 1/3 cup powdered erythritol
- 1 tsp vanilla extract
Topping
- Unsweetened cocoa powder
Instructions
- Preheat oven or air fryer-safe baking setup to 325°F (160°C).
- Whisk eggs and sweetener until light and fluffy. Add vanilla and melted butter.
- Fold in almond flour, baking powder, and salt to form batter.
- Pour into a lined baking pan and bake for 15–20 minutes, until lightly golden and set. Cool completely.
- Whip mascarpone, heavy cream, sweetener, and vanilla until thick and smooth.
- Slice cooled sponge into 2 layers.
- Brush or spoon coffee evenly over both layers.
- Spread cream mixture between layers and on top.
- Dust generously with cocoa powder.
- Chill for at least 4 hours (best overnight) before serving.
Tips
- Let sponge cool completely before adding coffee or it may break apart.
- Use strong espresso for authentic tiramisu flavor.
- Don’t overwhip cream or it may become grainy.
- Chill overnight for best texture and flavor development.
- Add a pinch of espresso powder for stronger coffee taste.
- Slice with a warm knife for clean layers.
- Store in fridge up to 3–4 days.
- For extra richness, add a thin layer of cream cheese to the filling.
Nutrient Facts
Approximate per slice (1 of 8)
- Calories: 290–340
- Fat: 28–32 g
- Protein: 7–9 g
- Carbohydrates: 5–7 g
- Net Carbs: 2–4 g
- Sugar: 1–2 g
- Fiber: 2–3 g
- Cholesterol: 120–160 mg
- Sodium: 90–160 mg
