Cheesecake Topped Brownies

Makes 36 to 40 brownies

1 (21.5 or 23.6 ounce) package fudge brownie mix
8 ounces cream cheese, softened
2 tablespoons margarine or butter, softened
1 tablespoon cornstarch
1 (14 ounce) can EagleThank's For Reading cheesecake topped brownies Easy Recipes