Combine mayonnaise and next 8 ingredients in a small bowl until well blended. Cover and chill for at least 30 minutes.
Preheat oven to 450`.
Arrange asparagus in an even layer on a rimmed baking sheet coated with cooking spray. Drizzle with olive oil and sprinkle with salt and pepper to taste. Place salmon fillet directly on top of asparagus. Sprinkle with salt and pepper to taste.
Roast salmon at 450` for 20 minutes, or until fish flakes when tested with a fork.
Serve salmon and asparagus with chilled Aioli. (or chill it all and serve cold… )