Salted Caramel Dulce de Leche Cookie Cups
Ingredients:
1 cup all-purpose flour
1/2 cup unsweetened cocoa powder
1/2 teaspoon baking soda
1/4 teaspoon salt
1/2 cup unsalted butter, softened
1/2 cup granulated sugar
1/4 cup packed brown sugar
1 large egg
1 teaspoon vanilla extract
1/2 cup Dulce de Leche
Flaky sea salt, for garnish