French Dip Sandwiches

  • Level: Easy
  • Yield: 4 servings
  • Total: 35 min
  • Prep: 15 min
  • Cook: 20 min
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Ingredients

3 1/2 tablespoons unsalted butter

1 large onion, thinly sliced

Kosher salt

1 1/2 cups low-sodium beef broth

1/4 teaspoon freshly grated nutmeg

1 tablespoon horseradish, plus more to taste

8 ounces gruyere cheese, thinly sliced

3/4 pound thinly sliced roast beef

4 hoagie rolls, split

Directions

  1. Melt 1 tablespoon butter in a large nonstick skillet over medium-high heat. Add the onion and 1/4 teaspoon salt; cook, stirring, until golden brown, about 10 minutes. Transfer to a bowl; reserve the skillet.
  2. Meanwhile, make the dip: Bring the beef broth and nutmeg to a simmer in a small saucepan; remove from the heat and add the horseradish and 1/2 tablespoon butter. Cover and keep warm.
  3. Layer half of the cheese, then the roast beef, onion and the remaining cheese on the rolls. Melt 1 tablespoon butter in the skillet over medium heat. Add 2 sandwiches and top with a heavy skillet. Cook, pressing down on the top skillet to flatten the sandwiches, until the bread is golden brown and the cheese melts, about 4 minutes per side. Repeat with the remaining 1 tablespoon butter and 2 sandwiches. Serve with the dip.

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Joanne S.

I’m an avid cook but never made one of these but have ordered them when eating out on several occasions. I pulled up three different French dip sandwich recipes on the FoodNetwork and compared them all. I took from each something I liked but kept this as best for one major reason. Pressing the sandwich in a hot pan like a grilled cheese really adds a lot of nice crunch to the bread. I put a little squirt of creamy horseradish sauce on one side of the bread, some grated mozzarella on both sides of the bread, dipped au jus roast beef in middle. Then grilled it with a heavy cast iron pan on top.  I believe you have a lot more flexibility making the jus, there are many ways to do it and doctor it by adding thyme, a little chopped onion, white wine, etc; but I think what “makes it” is the how you prepare the sandwich itself.  My husband thought it was fabulous. 

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