Cheesecake Brownies

1 pkg. brownie mix (and oil and eggs as specified on the box)
1 cup chopped walnuts
8 oz. cream cheese
1/3 c. sugar
1 egg
1/2 tsp. vanilla

Grease 9 x 13 pan.
Soften cream cheese. Add egg, sugar and vanilla and beat until smooth.
Prepare brownie mix according to directions on package. Add 1 cup of chopped walnuts.
Spoon half of mix in pan. Top with cream cheese, add other half of brownie mix and swirl through with spoon.
Bake at 350 degrees for 25-30 minutes.