Ingredients
Crust:

1 cup (2 sticks) unsalted butter, chilled and cut into chunks
1 ¼ cups flour
¼ teaspoon salt
3-5 tablespoons ice water
Filling:

4 whole eggs
4 egg yolks
2 cup sugar
2 cups flour
1 cup buttermilk, room temperature
1/2 cup (1 stick) unsalted butter, melted
2 teaspoons lemon juice
1 teaspoon lemon zest
1 teaspoon vanilla
½ teaspoon salt
How To Make lemon Chess Bars