Grilled White Fish with Chermoula

Name: Grilled White Fish with Chermoula
Ingredients: Pinch saffron threads; 1/4 cup hot water; 1 tablespoon canola oil; 3 cloves garlic, finely chopped; 1 teaspoon ancho chile powder; 1 teaspoon ground coriander; 1 teaspoon ground cumin; 1/2 teaspoon chile de arbol; 1/4 cup extra-virgin olive oil; 1 teaspoon finely grated lemon zest; Juice of 1 lemon; 2 red bell peppers, grilled, peeled, seeded and sliced; 2 ripe beefsteak tomatoes, diced and seeded; 20 fresh mint leaves, torn; 3 tablespoons coarsely chopped fresh cilantro; 2 pound halibut fillet (1 1/2-to-2-inches thick); Canola oil; Kosher salt and freshly ground black pepper