Prepare Brownie Mix as directed on package
Pour into greased 13x9 inch baking pan
Mix cream cheese, sugar, and vanilla with electric mixer on medium speed until well blended
Add egg, mix until blended
Pour over Brownie Mix
Cut through batter with knife several times for marble effect
Bake at 359 degrees for 35-40 minutes or until creamed cheese mixture is lightly browned
Cool and cut into squares
Makes 24 Brownies
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