Ingredient:

• 4 beef top sirloin steak (6 ounces each)
• 1/2 teaspoon salt
• 1/2 teaspoon pepper
• 4 tablespoons olive oil, divided
• 1 medium onion, chopped
• 1 medium sweet red pepper, chopped
• 8 ounces sliced fresh mushrooms
• 4 garlic cloves, minced
• 1/2 cup dry white wine
• 1/2 cup beef broth
• 1 can (28 ounces) crushed tomatoes
• 1 teaspoon salt
• 1/2 teaspoon dried oregano
• 1/2 teaspoon sugar
• 1/8 teaspoon crushed red pepper flakes
• 3 tablespoons minced fresh parsley