Grill bell pepper, red onion, and asparagus in 1 tsp of olive oil until soft. Do not overcook.
Bring 1 1/2 cups of water to a boil
Add couscous and cook covered, on medium heat, approximate 8 to 10 minutes
Combine the grilled vegetables with couscous, remaining olive oil, and lemon juice
Serve immediately with freshly baked Cedar Planked Salmon