Low Carb Lemon Coconut Cream Bars – Bright, Creamy, And Satisfyingly Light
If you’re craving something bright, creamy, and a little tropical, these Low Carb Lemon Coconut Cream Bars hit the spot. They’re zesty, soft, and not overly sweet, with a coconut-almond crust that stays tender and toasty. The filling is silky and lemon-forward, with just the right tang to balance the richness.
Best of all, they’re easy to make and won’t spike your carbs. Keep a batch in the fridge for a fresh treat that feels special any day of the week.
Ingredients
Method
- Prep the pan: Line an 8x8-inch pan with parchment, leaving overhang for easy lifting. Preheat the oven to 350°F (175°C).
- Make the crust: In a bowl, whisk almond flour, shredded coconut, powdered sweetener, and salt. Stir in melted coconut oil or butter, egg, and vanilla until a soft dough forms.
- Press and par-bake: Press the dough evenly into the lined pan. Dock lightly with a fork. Bake 10–12 minutes, until the edges are lightly golden. Set aside.
- Mix the filling: In a medium bowl, whisk eggs until smooth. Add coconut cream, lemon juice, lemon zest, powdered sweetener, coconut flour, vanilla, and salt. Whisk until no lumps remain. If your coconut cream is very firm, warm it briefly on low heat to loosen, then cool slightly before whisking with the eggs.
- Pour and bake: Pour the filling over the warm crust. Bake 18–24 minutes, until the center is just set and no longer jiggly. Avoid overbaking; the filling should look glossy and barely firm.
- Cool completely: Let the pan cool on a rack for 1 hour, then chill at least 2 hours (or overnight) to set cleanly.
- Slice and finish: Lift the slab out using the parchment. Cut into 16 squares. Top with a light dusting of powdered sweetener, toasted coconut, or extra lemon zest, if you like.
What Makes This Special
These bars deliver that classic lemon bar vibe without the sugar crash. The crust blends almond flour and shredded coconut for texture and natural sweetness.
The filling is a smooth lemon custard lightened with coconut cream, so it’s both luscious and low carb. They set up beautifully, slice clean, and taste even better the next day. If you’re hosting, they look polished on a platter and travel well.
- Low in carbs, high in flavor: Sweetened with erythritol or allulose, so you get the brightness without the sugar.
- Easy to prep: One bowl for the crust, one saucepan for the filling, and into the oven.
- Great texture: Buttery, nutty base with a creamy, custardy top.
- Dairy-optional: Use coconut oil for dairy-free, or butter if you prefer a classic flavor.
What You’ll Need
- For the crust:
- 1 1/2 cups fine almond flour
- 1/2 cup unsweetened shredded coconut
- 1/4 cup powdered erythritol or allulose (powdered blends dissolve best)
- 1/4 teaspoon fine sea salt
- 1/4 cup melted coconut oil or unsalted butter
- 1 large egg
- 1 teaspoon vanilla extract
- For the lemon coconut filling:
- 1 cup full-fat coconut cream (well-stirred; use only the thick part from a chilled can if separated)
- 3 large eggs
- 1/2 cup freshly squeezed lemon juice (about 3–4 lemons)
- 1 tablespoon finely grated lemon zest
- 1/2 cup powdered erythritol or allulose (adjust to taste)
- 2 tablespoons coconut flour (helps set the custard)
- 1 teaspoon vanilla extract
- Pinch of sea salt
- Optional toppings:
- Unsweetened shredded coconut, lightly toasted
- Extra lemon zest
- Powdered low-carb sweetener for dusting
- Equipment:
- 8×8-inch baking pan
- Parchment paper
- Mixing bowls and whisk
- Small saucepan (if gently warming filling)
Instructions
- Prep the pan: Line an 8×8-inch pan with parchment, leaving overhang for easy lifting.
Preheat the oven to 350°F (175°C).
- Make the crust: In a bowl, whisk almond flour, shredded coconut, powdered sweetener, and salt. Stir in melted coconut oil or butter, egg, and vanilla until a soft dough forms.
- Press and par-bake: Press the dough evenly into the lined pan. Dock lightly with a fork.
Bake 10–12 minutes, until the edges are lightly golden. Set aside.
- Mix the filling: In a medium bowl, whisk eggs until smooth. Add coconut cream, lemon juice, lemon zest, powdered sweetener, coconut flour, vanilla, and salt.
Whisk until no lumps remain. If your coconut cream is very firm, warm it briefly on low heat to loosen, then cool slightly before whisking with the eggs.
- Pour and bake: Pour the filling over the warm crust. Bake 18–24 minutes, until the center is just set and no longer jiggly.
Avoid overbaking; the filling should look glossy and barely firm.
- Cool completely: Let the pan cool on a rack for 1 hour, then chill at least 2 hours (or overnight) to set cleanly.
- Slice and finish: Lift the slab out using the parchment. Cut into 16 squares. Top with a light dusting of powdered sweetener, toasted coconut, or extra lemon zest, if you like.
How to Store
- Refrigerate: Keep bars in an airtight container for up to 5 days.
They taste best after the first 12–24 hours as the flavors meld.
- Freeze: Arrange bars on a sheet to freeze, then transfer to a freezer-safe container with parchment between layers. Freeze up to 2 months.
- Thaw: Let sit in the fridge overnight or at room temperature for 30–45 minutes. Add a fresh zest sprinkle right before serving.
Why This is Good for You
- Lower carb load: Almond flour and coconut flour keep net carbs down while adding fiber and healthy fats.
- No refined sugar: Using erythritol or allulose helps support steady energy and fewer cravings.
- Healthy fats: Coconut cream and almond flour provide satiating fats that help you feel full.
- Micronutrient boost: Lemons bring vitamin C and bright flavor without many calories.
What Not to Do
- Don’t skip cooling time: Cutting too soon can cause tearing and a runny center.
- Don’t overbake: A dry, cracked surface means the custard went too long.
Pull it when the center is just set.
- Don’t use granulated sweetener in the filling: It won’t dissolve smoothly and can make the texture gritty. Powdered is key.
- Don’t swap out the coconut flour blindly: It’s highly absorbent. Replacing it 1:1 with another flour will throw off the set.
- Don’t rely on bottled lemon juice: Fresh juice and zest make a big difference in flavor and aroma.
Alternatives
- Sweeteners: Allulose gives the softest texture and least cooling aftertaste.
Erythritol works well, but you may notice a slight coolness. Monk fruit blends are also fine; choose powdered.
- Crust options: Replace shredded coconut with finely chopped unsweetened coconut flakes for more bite, or use all almond flour for a smoother base.
- Dairy tweaks: If you love a butter flavor, use melted butter in the crust. For fully dairy-free, stick to coconut oil.
- Extra tang: Add 1–2 teaspoons lemon extract if your lemons are mild, or a splash of vanilla to round the edges.
- Texture boost: Stir 1/4 cup unsweetened toasted coconut into the filling for a little chew.
- Citrus swap: Try a 50/50 split of lemon and lime juice for a brighter, punchier profile.
FAQ
Can I use a 9×9-inch pan instead?
Yes, but your bars will be slightly thinner and may bake a bit faster.
Start checking for doneness 3–4 minutes earlier.
What if my filling looks lumpy?
It’s likely the coconut cream was too cold or the sweetener clumped. Whisk vigorously, or strain the mixture through a fine mesh sieve before pouring over the crust.
How do I prevent the sweetener from crystallizing?
Use powdered allulose for the smoothest finish, and let the bars fully chill before slicing. Serve slightly chilled rather than warm to avoid any graininess.
Can I make these egg-free?
For a similar set, eggs are ideal.
If you must go egg-free, try 3 tablespoons ground chia or flax mixed with 9 tablespoons water as a binder and add 1 extra tablespoon coconut flour. Expect a denser, less custardy texture.
Are these keto-friendly?
Yes. With almond and coconut flours plus low-carb sweetener, they fit most keto macros.
Always calculate based on your exact ingredients and serving size.
Why did my crust crumble?
It may have been too dry or under-bound. Make sure you included the egg and pressed the dough firmly into the pan. If your almond flour is very coarse, add 1–2 teaspoons coconut oil to help it hold.
Can I add a topping glaze?
Absolutely.
Whisk powdered allulose with a teaspoon of lemon juice and a bit of coconut cream until drizzleable. Spread thinly over chilled bars and let set.
What’s the best way to slice cleanly?
Chill the bars well, use a sharp knife, and wipe the blade between cuts. A quick dip of the knife in hot water, then drying it, also helps.
In Conclusion
Low Carb Lemon Coconut Cream Bars bring together a bright lemon custard and a tender coconut-almond crust for a treat that feels indulgent without the sugar load.
They’re simple to bake, easy to store, and perfect for make-ahead desserts or weekday snacks. Keep the steps straightforward, use fresh lemons, and let the fridge do the final magic. Once you taste that creamy, zesty bite, you’ll want to keep these in regular rotation.
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