When getting the steak look for a good piece that is about 2-inches thick.
Place steak in shallow baking dish.
In small saucepan combine remaining ingredients except orange.
Over low heat, simmer 5 minutes; pour over meat.
Top with orange slices; cover.
Refrigerate 4 to 6 hours, turning occasionally.
Remove meat from marinade; grill or broil as desired.
Heat remaining marinade and serve with steak.