1. Combine first 3 ingredients in a large heavy-duty zip-top plastic bag; add fish. Seal bag, and marinate in refrigerator 3 hours.
2. Preheat grill or grill pan to medium-high heat.
3. Remove fish from marinade, reserving marinade. Pour marinade into a small saucepan; bring to a boil. Cook until reduced to 2 tablespoons (about 3 minutes).
4. Place fish on grill rack or pan coated with cooking spray; grill 3 to 4 minutes on each side or until desired degree of doneness. Remove fish from grill; sprinkle evenly with salt. Serve fish with sauce.
Young Chefs can:
Hold zip-top plastic bag while liquid ingredients are added
Sprinkle fish with salt
Older Chefs can:
Squeeze orange for juice
Help measure liquid ingredients