Chocolate Pecan Cheesecake Bars

1 chocolate cake mix
1/2 cup margarine, softened
1 egg
1/2 cup pecans, chopped
Filling:
1 (8 ounce) package cream cheese, softened
1 (14 ounce) can sweetened condensed milk
1 egg
1 teaspoon vanilla
Preheat oven to 350 degrees. Grease 9x13-inch pan. Combine cake mix,
margarine, egg, and pecans in bowl. Reserve 1 cup for topping. Press
remaining mixture evenly in pan. Beat cream cheese until fluffy. Add milk,
egg, and vanilla. Beat until smooth. Pour over crust. Sprinkle with reserved
topping. Bake 35 to 40 minutes or until center is puffed and edges are
lightly browned.