Preheat oven to 400º F

Mix crust ingredients together and press into the bottom of a lightly buttered 9-inch springform pan. Place pan on a baking sheet and bake for 10 minutes. Remove from oven and cool to room temperature. Reset oven temperature to 325º F.

With an electric mixer, beat cream cheese, sugar and flour together until well mixed and smooth. Add vanilla extract and beat until smooth. Add eggs one at a time, beating well after each addition. add milk and mix until smooth. Add dulce de leche sauce and stir just until combined. Pour batter into crust.

Bake in a preheated 325º F oven for 45 to 55 minutes or until center is almost set. Remove from oven and gently run metal spatula around rim of pan to loosen cheesecake. (This helps to prevent crackinLet cool for 20 to 25 minutes, before covering and placing in the refrigerator. Refrigerate 4 to 6 hours or overnight before serving.

Drizzle each serving slice with extra dulce de leche sauce and serve with whipped cream if desired.