Garlic Au Jus French Dip Sandwich

Instructions

1. Step 1: Preheat oven to 400°F (200°C). Line a baking sheet with parchment paper.
2. Step 2: Roll out puff pastry to a thickness of 1/8 inch. Cut into 4 equal rectangles, about 6 inches wide and 4 inches tall.
3. Step 3: In a small bowl, mix together butter and garlic. Spread evenly onto each pastry rectangle, leaving a 1/2 inch border around the edges.
4. Step 4: Fold each pastry rectangle in half lengthwise, pressing edges to seal. Use a fork to crimp edges.
5. Step 5: Place pastry on prepared baking sheet and bake for 15-20 minutes, or until golden brown.
6. Step 6: While pastry is baking, prepare au jus. In a small saucepan, combine beef broth, red wine, flour, thyme, salt, and pepper. Whisk until smooth. Bring to a boil over medium-high heat, then reduce heat to low and simmer for 5 minutes.
7. Step 7: Split hoagie rolls in half and toast until lightly browned.
8. Step 8: Assemble sandwiches by placing a few slices of roast beef onto each roll, followed by a slice of Swiss cheese.
9. Step 9: Serve sandwiches with garlic au jus for dipping.