Preheat oven to 400°; pat fish dry, line a sheet pan with foil, drizzle fish with oil + salt/pep; bake 10-12 min until firm, opaque + cooked through

Meanwhile, heat 1 tbsp oil in skillet over med-high; sauté veggies + salt/pep 4-6 min until tender; set aside

Heat 1 tbsp oil in large skillet over med-high + sauté half the spinach + salt/pep 1-2 min until wilted; add remaining spinach + cook 1-2 min more until all spinach is wilted

Divide all to plates; dollop each plate with 2 tbsp sauce, delish!