Classic Reuben on Sourdough | Reuben Sandwich Recipe

Classic Reuben on Sourdough | Reuben Sandwich Recipe

🥪 Squirrelly Girl Sandwich Series

Classic Reuben on Sourdough

Tender corned beef, melted Swiss cheese, tangy sauerkraut, and creamy dressing pressed between crispy toasted sourdough. Rich, melty, tangy, and exactly as serious as a Reuben should be.

A Reuben is not the sandwich you make when you are trying to behave.

It is a glorious stack of tender corned beef, nutty Swiss cheese, tangy sauerkraut, and creamy dressing pressed between buttery slices of sourdough until the bread is crisp and the cheese has fully committed.

Sourdough gives this classic deli sandwich even more personality. Its tang works beautifully with the sauerkraut and dressing, while its sturdy crumb stands up to all that beef and melted cheese without turning lunch into a structural emergency.

🥩 Classic Reuben on Sourdough

Corned beef, melted Swiss, sauerkraut, creamy dressing, and crispy golden sourdough.

Prep 10 minutes
Cook 10 minutes
Total 20 minutes
Serves 2

🥪 Ingredients

  • 4 thick slices sourdough bread
  • 8 ounces thinly sliced corned beef
  • 4 slices Swiss cheese
  • 1/2 cup sauerkraut, well drained
  • 3 tablespoons Russian or Thousand Island dressing
  • 1 1/2 tablespoons softened butter
  • 1 teaspoon Dijon mustard, optional
  • Freshly ground black pepper, to taste

🔥 How to Make It

  1. Drain the sauerkraut.
    Place the sauerkraut in a fine-mesh strainer and press out as much excess liquid as possible. This is important. Wet sauerkraut and crisp bread are not close friends.
  2. Warm the corned beef.
    Add the corned beef to a skillet over low heat for about 1–2 minutes, just until warmed through. Avoid cooking it aggressively or it can dry out.
  3. Butter the sourdough.
    Spread softened butter over one side of each slice of sourdough. These buttered sides will become the crispy outside of the sandwich.
  4. Add the dressing.
    Place two slices of bread butter-side down. Spread Russian or Thousand Island dressing over the inside. Add Dijon too if you want a little extra sharpness.
  5. Build the Reubens.
    Add one slice of Swiss, half the corned beef, half the drained sauerkraut, and another slice of Swiss to each sandwich.
  6. Close the sandwiches.
    Top with the remaining sourdough slices, making sure the buttered sides face outward.
  7. Grill low and slow.
    Place the sandwiches in a skillet over medium-low heat. Cook for about 3–5 minutes per side, pressing gently, until the sourdough is deeply golden and the Swiss is melted.
  8. Help the cheese if needed.
    If the bread is getting perfectly brown before the cheese has fully melted, cover the skillet for 30–60 seconds.
  9. Rest and serve.
    Let the sandwiches rest for about 1 minute before slicing. This gives the cheese a chance to stop behaving like molten lava.

🥬 Drain the Sauerkraut Like You Mean It

Sauerkraut is supposed to bring tang, not enough liquid to irrigate a small field.

Press out the extra moisture before it goes onto the sandwich. You will keep the sourdough crisp while still getting all that sharp, fermented flavor a Reuben needs.

🍞 Why Sourdough Makes a Great Reuben

A Reuben has some seriously assertive flavors: salty corned beef, tangy sauerkraut, rich Swiss, and creamy dressing.

Sourdough fits right into that lineup. Its own acidity complements the sauerkraut instead of disappearing underneath it, while the chewy crumb gives the sandwich enough strength to hold a generous filling.

Toast it in butter and the crust gets deeply crisp while the center stays pleasantly chewy.

This is not the moment for bread that folds under pressure.

🏆 Four Ways to Make It Better

🥩 Warm the Corned Beef

Starting with warm beef helps the Swiss melt before the sourdough gets too dark in the skillet.

🥬 Keep the Kraut Dry

Draining the sauerkraut protects the crisp bread and keeps the whole sandwich from getting soggy.

🧀 Put Cheese on Both Sides

Swiss above and below the filling creates better melt, better coverage, and a little extra help holding everything together.

🔥 Use Medium-Low Heat

The goal is crisp bread and fully melted cheese. High heat gives you one of those things and then immediately starts causing problems.

🤤 Reuben Variations

The classic combination is excellent as-is, but there is still room to make it your own.

  • Add extra Swiss cheese
  • Use spicy mustard instead of Dijon
  • Add caramelized onions
  • Add dill pickle slices
  • Swap Russian dressing for Thousand Island
  • Add a little horseradish to the dressing
  • Use pastrami instead of corned beef
  • Make it open-faced and broil until bubbly

🐿️ Squirrelly Girl Warning

A properly built Reuben contains hot beef, melted Swiss, creamy dressing, and sauerkraut that all become surprisingly mobile the second you take the first bite.

Lean over the plate. Use both hands. This is not a sandwich for optimism alone.

🐿️ Want to Make the Sourdough Too?

A Reuben this loaded deserves bread with tang, chew, and enough backbone to keep the whole operation together. Start baking your own with Squirrelly Girl Sourdough Starter.

Meet Squirrelly Girl Starter →

 

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