Heat 1 tsp oil in skillet over med-high; pat steaks dry, season with salt/pep + sear undisturbed 2-3 min; flip + cook additional 2-3 min for med-rare (for more well done add 1-2 min per side); rest steaks 5 min on cutting board

Meanwhile, heat 1 tbsp oil in skillet over med-high + cook brussels with salt/pep 5-6 min til tender; add to bowls

In a small pot, boil ½ cup plus 2 tbsp of water with pinch of salt + 2 tsp of oil; stir in ½ cup of couscous, turn off heat + cover; let stand 5 min + fluff with fork; divide to bowls

Cut steaks against grain into ½-inch slices; divide to bowls + top each with 2 tbsp sauce + squeeze of lemon