Cook quinoa according to package instructions; set aside.
Preheat a skillet over medium heat and lightly oil it.
Season the salmon fillet with salt, pepper, and grated ginger.
Place the salmon skin-side down in the skillet.
Cook for 4-5 minutes until the skin is crispy.
Flip the salmon and cook for another 2-3 minutes until done.
In a bowl, layer the cooked quinoa at the bottom.
Add the fresh spinach on top of the quinoa.
Place the cooked salmon fillet over the spinach.
Top with diced cucumber, avocado slices, and sesame seeds.