Consisting of soft, melt in your mouth cookies sandwiched together with a creamy dulce de leche filling, these alfajores are irresistibly scrumptious! The mix of cornstarch and flour makes for a cookie with an incredibly delicate texture which in turn complements the soft consistency of the dulce de leche filling. Alfajores are a must try and this recipe yields cookies that are easy to make and eat at your leisure!