Keto Key Lime Pie Bars is a bright, tangy low-carb dessert with a creamy lime filling and buttery almond crust that tastes like summer in every bite. This Keto Key Lime Pie Bars recipe delivers refreshing flavor, easy prep, and a guilt-free treat perfect for parties, meal prep, and anyone craving a clean, zesty keto dessert without the sugar.
About This Recipe
When it comes to keto desserts, few treats feel as bright, refreshing, and satisfying as Keto Key Lime Pie Bars. This recipe transforms the classic tropical favorite into a low-carb masterpiece with a buttery almond flour crust and a smooth, tangy lime filling. The result is a dessert that tastes indulgent yet remains completely sugar-free and gluten-free, making it perfect for anyone following a keto or low-carb lifestyle.
One of the best things about this recipe is its simplicity. The crust comes together quickly with almond flour, butter, and a touch of sweetener, baked until lightly golden to provide the perfect base. The filling is a luscious blend of fresh lime juice, zest, cream cheese, eggs, and keto-friendly sweetener, creating a creamy custard-like texture with just the right balance of sweet and tart. If youβve ever loved traditional key lime pie, youβll be amazed at how this low-carb version captures the same tropical flavor without the sugar.
From a nutritional standpoint, these bars are an excellent choice. Each square delivers healthy fats, moderate protein, and only a few net carbs, making them an easy fit for your macros. Theyβre also portion-friendlyβsimply cut into squares and serve, which makes them ideal for meal prep, family gatherings, or even as a make-ahead dessert for parties.
Beyond taste and nutrition, these bars are incredibly versatile. They can be served chilled straight from the fridge for a refreshing summer treat or topped with sugar-free whipped cream for a more decadent finish. You can even freeze them in individual portions for a grab-and-go keto dessert anytime cravings strike.
In short, these Keto Key Lime Pie Bars offer everything you want in a dessert: flavor, texture, and satisfactionβall without the carbs. If youβre looking for a crowd-pleaser that feels special but stays keto-friendly, this recipe is bound to become a go-to in your dessert rotation.
Also Read: Thirty Birthday Cakes You Need to Try!
Why Youβll Love This Recipe
- Fresh, zesty lime flavor πΏ
- Creamy filling + buttery almond flour crust
- Keto, sugar-free, and gluten-free
- Easy to make in one pan
- Great for parties, meal prep, or a quick snack
Ingredients
- For the crust:
- 1 Β½ cups almond flour
- ΒΌ cup powdered erythritol or monk fruit sweetener
- Β½ cup butter, melted
- Pinch of salt
- For the filling:
- 8 oz (225 g) cream cheese, softened
- 3 large eggs
- Β½ cup fresh key lime juice (or regular lime juice)
- 1 tbsp lime zest
- Β½ cup powdered erythritol or monk fruit sweetener
- Β½ cup heavy cream
- 1 tsp vanilla extract
- Optional garnish: extra lime zest or sugar-free whipped cream
Instructions
- Preheat oven to 175Β°C (350Β°F). Line an 8×8-inch baking dish with parchment paper.
- In a bowl, mix almond flour, sweetener, melted butter, and salt until crumbly.
- Press mixture firmly into baking dish to form an even crust. Bake 10β12 minutes, until lightly golden.
- In another bowl, beat cream cheese and sweetener until smooth. Add eggs one at a time, mixing well.
- Stir in lime juice, zest, heavy cream, and vanilla until fully combined.
- Pour filling over the baked crust and smooth the top.
- Bake 20β25 minutes, until filling is set but still slightly jiggly in the center.
- Cool completely, then refrigerate at least 2 hours before cutting into bars.
- Garnish with lime zest or whipped cream before serving.
Nutrition (per serving)
- Calories: ~160
- Fat: 14g
- Protein: 4g
- Net Carbs: 3g
- Fiber: 1g
FAQ
- Can I use bottled lime juice instead of fresh?
Fresh lime juice gives the best flavor, but bottled juice can work in a pinch. - Can these bars be made dairy-free?
Yesβswap the cream cheese for dairy-free cream cheese and use coconut cream instead of heavy cream. - How long do these bars last in the fridge?
Stored in an airtight container, theyβll keep up to 5 days. - Can I freeze Keto Key Lime Pie Bars?
Absolutely. Wrap bars individually and freeze for up to 2 months. Thaw in the fridge before serving.
Variations & Substitutions
- Try lemon juice instead of lime for keto lemon pie bars.
- Use coconut cream for a tropical flavor boost.
- Add unsweetened shredded coconut to the crust for extra texture.
Serving Suggestions
- Serve chilled with sugar-free whipped cream.
- Garnish with extra lime zest or thin lime slices.
- Pair with fresh berries for added freshness.

Keto Key Lime Pie Bars
Ingredients
For the crust
- 1 Β½ cups almond flour
- ΒΌ cup powdered erythritol or monk fruit sweetener
- Β½ cup butter (melted)
- Pinch of salt
For the filling
- 8 oz cheese, softened
- 3 large eggs
- Β½ cup fresh key lime juice (or regular lime juice)
- 1 tbsp lime zest
- Β½ cup powdered erythritol or monk fruit sweetener
- Β½ cup heavy cream
- 1 tsp vanilla extract
Optional garnish
- extra lime zest or sugar-free whipped cream
Instructions
- Preheat oven to 350Β°F (175Β°C). Line an 8×8-inch baking dish with parchment paper.
- In a bowl, mix almond flour, sweetener, melted butter, and salt until crumbly.
- Press mixture firmly into baking dish to form an even crust. Bake 10β12 minutes, until lightly golden.
- In another bowl, beat cream cheese and sweetener until smooth. Add eggs one at a time, mixing well.
- Stir in lime juice, zest, heavy cream, and vanilla until fully combined.
- Pour filling over the baked crust and smooth the top.
- Bake 20β25 minutes, until filling is set but still slightly jiggly in the center.
- Cool completely, then refrigerate at least 2 hours before cutting into bars.
- Garnish with lime zest or whipped cream before serving.
Did you make this recipe?
Let me know how it turned out! Snap a pic and tag @dailyketo.recipes on instagram – I’d love to see your version.
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