1. Heat a large nonstick skillet over medium-high heat. Add 1 teaspoon oil to pan; swirl to coat. Add steak to pan; cook 2 minutes or until browned, turning occasionally. Remove steak from pan. Add remaining 1 teaspoon oil to pan; swirl to coat. Add onion and garlic to pan; sauté 1 minute, stirring occasionally. Add mushrooms; sauté 6 minutes. Stir in wine; cook until liquid evaporates (about 1 minute). Add bell peppers; sauté 4 minutes. Return steak to pan. Stir in Worcestershire, salt, and black pepper; cook 1 minute or until thoroughly heated. Remove from heat. Sprinkle mixture with cheese; stir until cheese melts. Divide mixture evenly among rolls.
Cucumber salad: Combine 1 thinly sliced English cucumber, 1/4 cup sliced red onion, 1 tablespoon sugar, 1 tablespoon cider vinegar, and 1/4 teaspoon salt.