Jul 14 2026
RestaurantsSiegel's 1941Prime Rib Sandwich Recipe

Prime Rib Sandwich Recipe

Inspired by Siegel's 1941
Time3h
Serves4

Sliced Prime Rib On A Hoagie Roll With House Made Au Jus, Showstring French Fries

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Ingredients

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Prime Rib

Sandwich Assembly

French Fries

Method

Prepare the Prime Rib

  1. 1

    Season the Prime Rib

    Preheat your oven to 450°F (232°C). Rub the prime rib with salt, black pepper, garlic powder, and onion powder evenly across the surface.

  2. 2

    Roast the Prime Rib

    Place the prime rib on a roasting pan and cook for about 20 minutes. Then reduce the heat to 325°F (163°C) and continue cooking for an additional 1.5 hours for medium-rare, or until the internal temperature reaches 130°F (54°C).

  3. 3

    Rest the Meat

    Remove the prime rib from the oven and let it rest for at least 20 minutes before slicing.

Make the Au Jus

  1. 4

    Combine Ingredients

    In a small saucepan, combine beef broth, Worcestershire sauce, minced garlic cloves, and a sprig of fresh thyme. Bring to a simmer over medium heat.

  2. 5

    Simmer

    Let the au jus simmer for about 10-15 minutes to blend the flavors. Strain before serving.

Prepare French Fries

  1. 6

    Cut the Potatoes

    Wash and cut the potatoes into thin strips to create shoestring fries.

  2. 7

    Fry the Potatoes

    In a large pot, heat vegetable oil to 350°F (175°C). Fry the potato strips in batches until golden brown and crispy, about 3-5 minutes. Remove and drain on paper towels, then season with salt.

Assemble the Sandwich

  1. 8

    Slice the Prime Rib

    Thinly slice the resting prime rib against the grain.

  2. 9

    Toast the Hoagie Rolls

    Spread butter on the inside of each hoagie roll and toast them on a skillet until golden brown.

  3. 10

    Build the Sandwich

    Layer the sliced prime rib on the toasted rolls, top with a slice of provolone cheese, and drizzle with warm au jus before serving.

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