Pat fillets dry + season with salt/pep; heat 1 tbsp oil in skillet over med-high (get that pan hot, otherwise the fish will stick); add to pan skin-side down + sear 4-5 min undisturbed until fish naturally releases from pan; flip fish over + cook 1-2 min until fish is cooked through; set aside

Heat 1 tbsp oil in skillet over med-high; sauté stir-fry veggies + salt/pep 3-4 min; add sauce packet, cover + cook 1-2 more min until tender

Divide fish + veggies to plates