Chocolate Peanut Butter Bars

1  package		of chocolate cake mix
1  package		Jell-O chocolate instant pudding
1/2  cup		low calorie margerine
1/2  cup		skim milk
3-1/10  ounces		squares of baker's semi-sweet chocolate
3/4  cup		pecans
1  cup		light peanut butter

Tip: For nutritional information on all the ingredients in Chocolate Peanut Butter Bars just click on each ingredient name. Then adjust the serving size for any Chocolate Peanut Butter Bars ingredient with the serving size tool in the nutrition facts area to the right to see how you can save calories, carbs and more.

Heat oven to 350F. Line 13x9 " pan with foil and spray with cooking spray. Beat first 4 ingredients until smooth (dough will be stiff). Press half onto bottom of prepared pan. Bake 10 min. Sprinkle half each of the chopped chocolate and nuts over crust. Microwave peanut butter in small bowl on high for 1 min, spread over nuts. Roll remaining dough into 13x9" rectangle between 2 sheets of waxed paper. Peel back top layer of waxed paper and flip dough onto top of dessert. Remove remaining waxed paper and sprinkle with remaining chocolate and nuts. Press gently into dough with spatula. Bake 15 min. Cool 1 hour and refrigerate 4 hours before cutting into bars.