PREHEAT oven to 375°F. MIX seasoning, hot water, butter and rice in 13"x9"x2" baking dish. Top with fish. POUR baking sauce over fish. Sprinkle fish with crumb topping. BAKE 30 min. or until done.
Transfer about half of the boiled rice to a medium bowl. Stir in the plant milk, chickpea flour, and saffron mixture. Heat a 10-inch nonstick or very well-seasoned cast-iron skillet over medium heat.