In the same pan, melt 3 tablespoons of the butter. Saute the mushrooms, stirring with the fork, until softened, 1 to 2 minutes. Add the corn, and cook until heated through, 1 to 2 minutes. Season with salt and pepper.
04Arrange the spinach in the center of 4 plates. Surround the spinach with the corn mixture. Keep warm. Heat the remaining oil and butter in the pan over high heat. Season the salmon with salt and pepper, and saute until medium-rare, about 2 minutes per side.05Place a salmon fillet atop the spinach on each plate. Spoon the sauce over the salmon, garnish with chives, and serve immediately.