Galletas con Centro de Mermelada tipo Tartas

This time I'm sharing a delicious recipe: shortbread cookies with a jam center. I invite you to try this recipe; you won't regret it; they're delicious. Ingredients: 2 3/8 cups flour = 300g 5/8 cup butter = 125g 5/8 cup sugar = 125g 1/8 tsp salt 1 egg 1 tbsp vanilla