Ensure avocado is ripe; if avocado is firm, ripen by placing in a paper bag, 1-2 days; slice avocado + thinly slice half of peppers

Boil large pot of salted water, add ½ of couscous + stir; cook 5 min, then drain; drizzle with 1 tsp oil + season with salt/pep; divide to bowls

Meanwhile, pat fish dry + season with salt/pep; heat 1 tbsp oil in skillet over med-high + sear fish 3 min, flip + sear another 1-2 min

Heat 1 tbsp oil in skillet over med-high + cook brussels with salt/pep 4-6 min until tender, stirring minimally to ensure browning; divide halibut, brussels, peppers + avocado to bowls; drizzle each with dressing