Follow these steps to create your delicious Lemon Curd Tart:

1. Preheat Oven: Preheat your oven to 350°F (175°C).
2. Make the Tart Crust:
– In a mixing bowl, combine the flour, softened butter, and ¼ cup sugar.
– Mix until crumbly, then add the egg yolk and cold water.
– Form the mixture into a dough, wrap it in plastic, and refrigerate for about 30 minutes.
3. Prepare the Tart Shell:
– After chilling, roll out the dough on a floured surface to fit a 9-inch tart pan.
– Press the dough into the pan, trimming any excess.
– Prick the bottom with a fork to prevent bubbling.
– Bake the shell for 15-20 minutes until golden brown. Let it cool.
4. Make the Lemon Curd:
– In a saucepan, whisk together 1 cup sugar, 3 eggs, lemon juice, and lemon zest.
– Cook over medium heat, stirring constantly until it thickens (about 10 minutes).
– Remove from heat and stir in the ½ cup butter until melted.
5. Fill the Tart:
– Pour the lemon curd into the cooled tart shell, smoothing the top.
6. Bake Again:
– Return the tart to the oven and bake for an additional 10-15 minutes.
7. Cool and Chill:
– Allow the tart to cool at room temperature, then refrigerate for at least 1 hour before serving.

By following these steps, you’ll create a stunning Lemon Curd Tart that is as delicious as it is beautiful!