Remove 1/4 cup of the dressing mixture; cover and refrigerate for later use.
Pour remaining dressing mixture over meat in shallow dish; cover. Refrigerate several hours or overnight to marinate.
Preheat oven to 425F.
Remove meat from marinade; discard marinade.
Place meat in shallow baking dish.
Bake 25 min. or until instant read thermometer registers 160F when tested in center of meat, brushing with the reserved 1/4 cup dressing mixture after 15 min.
Cut into 1/2-inch thick slices before serving.
Cook plantains in oil in large skillet on medium heat 3 to 4 min. or until golden brown, stirring occasionally.
Mix oranges, red peppers, onion and cilantro in large bowl.