Reduce oven temperature to 300 degrees.
Beat cream cheese until smooth. Add eggs, Truvia, heavy cream, and vanilla. Beat until smooth.
Pour filling on top of the brownie base. Place baking dish on a cookie sheet to prevent the brownies from overbaking. Bake for 35 minutes or until the edges have begun to set. Let cool and then place in refrigerator to chill.
Serve plain or garnish with chocolate curls, fresh fruit, or chocolate syrup.