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Keto Lemon Tart with Almond Crust Recipe

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A vibrant, low-carb lemon tart with a buttery almond crust, featuring a tangy lemon curd made with keto-approved erythritol. Perfect for keto diets, this gluten-free dessert delivers a fresh citrus flavor and luxurious texture in 55 minutes.

  • Total Time: 55
  • Yield: 8 servings 1x

Ingredients

Scale

Almond Flour 1.5 cups
Butter 1/2 cup (1 stick), melted
Erythritol 1/4 cup
Cream Cheese, full-fat 8 oz (227g)
Eggs 3 large
Lemon Juice 1/4 cup
Vanilla Extract 1 tsp
Lemon Zest 1 tbsp
Cornstarch 1 tbsp

Instructions

Preheat oven to 350°F (180°C)
In a food processor, combine almond flour and melted butter, pulsing until crumbly
Add erythritol and pulse again to blend
Press mixture into a tart pan with a removable bottom, smoothing the surface
Bake crust for 15 minutes, then let cool slightly
In a bowl, beat cream cheese and erythritol until creamy
Add eggs one at a time, then stir in lemon juice, vanilla, and zest
Mix in cornstarch to thicken filling
Pour filling into cooled crust and smooth the top
Place tart pan on a baking sheet and bake for 30 minutes
Let cool completely, then refrigerate for 2–3 hours before serving

Notes

Use fine-ground almond flour for best texture
For dairy-free: substitute butter with ghee and use dairy-free cream cheese
Can substitute 1/2 cup coconut flour (reduce liquid)
Refrigerate leftovers for up to 3 days

  • Author: Leah
  • Prep Time: 20
  • Cook Time: 35
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Keto

Nutrition

  • Serving Size: 1 slice
  • Calories: 300
  • Sugar: 0g
  • Sodium: 150mg
  • Fat: 20g
  • Saturated Fat: 12g
  • Carbohydrates: 10g
  • Fiber: 3g
  • Protein: 6g
  • Cholesterol: 50mg