Ingredients
1 1/2 cups flour (200g)
2 1/8 cups cornstarch (300g)
2 teaspoons baking powder
1/2 teaspoon baking soda
1 teaspoon salt
14 Tablespoons butter (200g), softened
3/4 cup (150g) sugar
grated lemon zest
3 large egg yolks
2 teaspoons vanilla
one can dulce de leche, for filling the cookies.
Preparation
