Sprinkle the fish on both sides with salt and pepper, set aside.
In a large skillet or dutch oven, heat a the red pepper flakes in olive oil. Saute the onions and peppers until softened.
Stir in the ginger and season with salt and pepper.
Sprinkle the flour around and stir until it begins to change color. Add the cream and nutmeg and stir until the sauce begins to thicken.
Push the veggies to the side of the pan and nestle the fish into the sauce.
Arrange the vegetables on top of the fish. Move the vegetables to turn the fish as needed.
The fish is finished when the color is opaque and it flakes easily. Taste and adjust the seasonings.
Transfer the fish to a serving dish and garnish with parsley and red chili, if using.