1 pkg. Betty Crocker Brownie Supreme mix

FILLING:

1 (8 oz.) pkg. cream cheese
1 egg
1/3 c. sugar
1/2 tsp. vanilla
Dash salt
1 (6 oz.) pkg. chocolate chips

Mix brownies as directed on package. Cream together filling ingredients. Spread half of brownie mix in 10 x 13-inch pan. Spoon filling on top. Add remaining brownie mix over filling. Bake for 5 to 10 minutes more than package directions. Frost, if desired.