HEAT oven to 350ºF.
MICROWAVE cranberries and orange juice in microwaveable bowl on HIGH 30 sec. Mix next 4 ingredients. Beat margarine and sugar in large bowl with mixer until light and fluffy. Beat in eggs, 1 at a time. Gradually beat in flour mixture. Stir in cranberry mixture, chocolate and nuts.
SPREAD dough into 13x9-inch pan sprayed with cooking spray.
BAKE 25 to 30 min. or until lightly browned. Cool completely before cutting into bars.
serving size = 1 bar (34 g)