Preheat oven to 325ºF. In large bowl combine cake mix, butter or margarine and 1 egg; blend well. Reserve 1/3 cup of mixture for topping.
Pat remaining mixture into bottom of well-greased 9-by-13-inch pan.
In mixing bowl, beat cream cheese until fluffy, beat in 2 eggs and 2 1/2 cups confectioners' sugar. Pour over cake mixture in pan. Spread strawberry fruit filling on top and sprinkle with reserved cake mixture.
Bake 1 hour or until lightly browned. Refrigerate until chilled; cut into bars and sprinkle with 2 tablespoons confectioners' sugar.