STEP ONE: Soak golden raisins in water until plump, then drain.
STEP TWO: Heat saute pan on high heat, until very hot. Add 4 ounces oil, heat until smoki ng. Toss in onions, stirring quickly so they don't burn. Season with salt and p epper, and cook 5 to 10 minutes until lightly caramelized. Add raisins and vine gars and cook on low heat until all vinegar is absorbed into the onions. Set as ide, keep warm.
STEP THREE: Season fish with salt, pepper, and oil. Grill each side 2 to 3 minutes over hig h heat until done. Place bed of onions on serving platter, top with fish, and g arnish with pine nuts, chives, and additional olive oil.