Jeremy's Philly Steak and Cheese Sandwich

Details

Ingredients

• 1 teaspoon butter
• ½ white onion, sliced
• ½ red onion, sliced
• 8 fresh mushrooms, sliced
• 1 clove garlic, minced
• 6 ounces beef sirloin, thinly sliced
• ¾ cup cream cheese, softened
• 1 teaspoon Worcestershire sauce
• salt and pepper to taste
• 1 French baguette, cut in half lengthwise
• ½ cup shredded Swiss cheese