Ingredients

• 2 tablespoons vegetable oil
• 1 1/2 tablespoon Worcestershire sauce
• 1 teaspoon garlic powder
• 1/2 teaspoon onion powder
• 1/2 teaspoon smoked paprika
• pepper
• 450 g sirloin or flank steaks cut in thin strips
• 1 sweet red pepper , cut in thin strips
• 1 sweet green pepper , cut in thin strips
• 1 227 g pkg mushroom , sliced
• 1 onion , cut in thin wedges