Ingredients

• 1 pound top sirloin steak, thinly sliced
• 1/2 pound white or brown mushrooms, thickly sliced
• 1/2 medium onion, finely chopped
• 1 large garlic clove, minced
• 2 tablespoons oil
• 2 tablespoons butter
• 1 tablespoon flour
• 1 cup beef broth
• 3/4 cup heavy whipping cream
• 1 tablespoon Worcestershire sauce
• 1/2 teaspoon Dijon mustard
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• Sour cream
• Egg noodles
• Chopped chives for garnish