French Dip Au Jus Recipe

Ingredients

• 2 tablespoons unsalted butter
• 1 large yellow onion, thinly sliced
• 3 garlic cloves, minced
• 4 cups beef broth
• 2 tablespoons Worcestershire sauce
• 1 tablespoon soy sauce
• 0.5 teaspoons dried thyme
• 0.5 teaspoons salt
• 0.25 teaspoons ground black pepper
• 4 hoagie rolls, split
• 4 slices sliced provolone cheese
• 1 pound deli-sliced roast beef