French Dip Sandwich

Ingredients

• One 3-pound (1.4kg) boneless beef top round roast, tied with kitchen twine at 1-inch intervals (see notes)
• 4 teaspoons (12g) Diamond Crystal kosher salt; if using table salt, use half as much by volume or the same weight
• 1 1/2 teaspoons freshly ground black pepper
• 1/4 ounce (7g) dried porcini mushrooms, rinsed
• 1 tablespoon (15ml) vegetable oil, plus more as needed
• 1 medium yellow onion (8 ounces; 227g), halved and thinly sliced
• 2 tablespoons (28g) unsalted butter
• 1 tablespoon all-purpose flour
• 1 tablespoon tomato paste
• 1 teaspoon fresh thyme
• 1 quart (950ml) homemade beef stock, homemade chicken stock, or store-bought low-sodium chicken broth (see notes)
• 1 tablespoon (15ml) Worcestershire sauce
• 1 roll (1 oz) rolls
• 4 ounces swiss cheese

AI Assistance 

Ask AI

Personal Notes 

Save Notes

Personal Tags 

Save Tag