FOR each serving: Season 1 fillet with steak seasoning. Heat 1/2 Tbsp. oil in skillet on high heat. Add fish, skin-side down; cook 2 min. or until skin is crisp. Turn fish; cook on medium heat 2 min. or until fish flakes easily with fork. Remove from heat.
SPREAD 1 roll with 1 Tbsp. bistro sauce, spreading 1-1/2 tsp. onto each cut side of roll. Fill with 1/2 cup greens, 2 tomato slices, fish, additional 1 Tbsp. bistro sauce and 3 bacon slices.