Heat the dulce de leche, whole milk, salt, and vanilla extract in a small saucepan over low heat, whisking until caramel melts and liquid is smooth.

Pour the coffee creamer into a glass bottle or jar to cool. Once cool, add desired amount to hot or iced coffee and enjoy

Cover and store dulce de leche caramel coffee creamer in the refrigerator. Creamer will be good until the expiration date on the milk used.