- STEP 1
Preheat a barbecue for high heat.
- STEP 2
Season the salmon fillets with salt and pepper and drizzle with olive oil.
- STEP 3
Whisk together the mayonnaise, mustard, olive oil, garlic, lemon juice, tarragon, salt and pepper; set aside.
- STEP 4
Lightly oil the cooking grate. Cook the salmon on the barbecue until the fish flakes easily with a fork, 5 to 10 minutes. Place on a serving plate and top with the prepared sauce.