Heat oil in a medium saucepan over high heat. Add onions and garlic and cook until soft. Add wine and cookpeole are s until reduced by 3/4. Add the curry paste and cook for 2 minutes. Add the clam stock and corn husks and cook until reduced by 1/2. Strain the sauce into a clean medium saucepan and bring to a simmer. Add the cream and corn and cook to a sauce consistency. Season with salt and pepper, to taste and add the cilantro.
Combine all ingredients in a bowl and let sit for 30 minutes before serving.
Preheat oven to 400 degrees F. Preheat a large ovenproof skillet over high heat. Brush monkfish with olive oil and season with ancho chile powder and salt. Sear on both sides until golden brown. Transfer to the oven and continue cooking for 8 to10 minutes, until just cooked through. Ladle the sauce onto a platter, slice the fish into 3/4-inch thick slice, drizzle with more of the sauce and top with the corn relish and chopped cilantro.