Melt margarine in a large nonstick skillet over medium heat. Put flour and paprika in a plastic bag. One piece at a time, put chicken in bag and shake to coat. Cook chicken in skillet for 4 to 5 minutes per side or until chicken is cooked through. Transfer to a serving platter and keep warm.
Add broth, orange juice, liqueur, and orange peel to skillet. Cook over medium-high heat, stirring frequently, for 3 minutes or until sauce is slightly thickened.