Add mayonnaise, curry powder, and frozen orange juice to a small bowl. Stir to combine; set aside.
Place salmon on Mesh Tray and season with salt and pepper. Place Tray with fish in position 1.
Cook salmon at 375°F for 8-10 min., flipping halfway.
While salmon is cooking, sauté butter and spinach in a frying pan on medium heat for 3-4 min. or until spinach wilts.
Using a handheld thermometer, check to see that internal temperature of 145°F has been reached. Once salmon is cooked, place spinach on serving plate. Place salmon on top. Drizzle curry sauce over salmon and serve.
