Mix seasoning in a medium bowl. Sprinkle 2 tsp over salmon. Reserve remaining seasoning mixture in a bowl. Set aside.
Heat 1 tbsp of the oil in a large skillet on medium high heat. Place salmon skin side up in the skillet.
Meanwhile add sugar and remaining 2 tbsp oil to reserved seasoning mixture; mix well. Add fennel and tomatoes toss to coat. Turn salmon fillets. Place fennel mixture around salmon in skillet. Cook six minutes or until fish flakes easily with a fork.