Preheat oven to 350.

Beat cream cheese until fluffy, Combine with Stevia, sour cream and vanilla extract, mixing well.Add eggs one at a time.

beating until thick and creamy.Lightly grease the sides of a 9" springform pan or deep pie pan (I used) and put the springform on a baking sheet.

Pour in the filling.

Bake for 50-55 minutes or until puffy and lightly brown around the edges.Let cool for about 1-2 hours on wire rack.

Cover, chill for at least 4 hours.