Ingredients

• Gluten-free flour - 1 ½ cups
• Butter - ½ cup, chilled and cubed
• Powdered sugar - ¼ cup
• Salt - ¼ teaspoon
• Egg - 1, large
• Lemon juice - ½ cup, freshly squeezed
• Lemon zest - 1 tablespoon
• Sugar - 1 cup
• Cornstarch - 2 tablespoons
• Water - ½ cup
• Egg yolks - 4, large
• Butter - 2 tablespoons

Instructions

1. 1.

   Preheat the oven to 350°F (175°C).

2. 2.

   In a bowl, mix gluten-free flour, powdered sugar, and salt.

3. 3.

   Add in the cubed butter and rub until it resembles coarse crumbs.

4. 4.

   Add the egg and mix until the dough forms.

5. 5.

   Press the dough into a tart pan and bake for 15 minutes or until golden.

6. 6.

   In a saucepan, combine lemon juice, zest, sugar, cornstarch, and water over medium heat.

7. 7.

   Whisk until the mixture thickens and boils.

8. 8.

   Gradually stir in the egg yolks, then add butter and mix until smooth.

9. 9.

   Pour the lemon filling into the baked crust.

10. 10.

    Bake for another 10 minutes or until the filling is set.

11. 11.

    Cool the tart completely before serving.

Nutritional Facts