Gourmet Roast Beef and Cheddar Melt Sandwich

Posted on April 9, 2026

Gourmet roast beef and cheddar melt sandwich served on a rustic platter

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why make this recipe

The Gourmet Roast Beef and Cheddar Melt Sandwich is a delicious choice for lunch or dinner. It brings together tender roast beef and sharp cheddar cheese, making every bite tasty and satisfying. With a creamy horseradish aioli, this sandwich adds a kick that will excite your taste buds. Plus, it is easy to prepare and perfect for sharing with friends and family.

how to make Gourmet Roast Beef and Cheddar Melt Sandwich

Ingredients:

  • 4 slices Sourdough bread (thick-cut)
  • 8 oz Deli roast beef (thinly sliced, high quality)
  • 4 slices Sharp cheddar cheese (or 4 oz shredded)
  • 1/4 cup Red onion (very thinly sliced)
  • 2 tbsp Unsalted butter (softened, or mayonnaise)
  • 1/4 cup Mayonnaise
  • 1 tbsp Prepared horseradish (drained well)
  • 1/2 tsp Dijon mustard
  • 1/4 tsp Black pepper (freshly ground)
  • Pinch Salt

Directions:

  1. Prepare the Horseradish Aioli: In a small bowl, mix the mayonnaise, horseradish, Dijon mustard, black pepper, and a pinch of salt. Stir until everything is combined well.

  2. Assemble the Sandwiches: Take two slices of sourdough bread. Spread the horseradish aioli on each slice. Layer the roast beef, cheddar cheese, and red onion on one slice. Top with the other slice of bread.

  3. Grill the Sandwiches: Heat a skillet over medium heat. Spread the softened butter (or mayonnaise) on the outer sides of the sandwich. Place the sandwich in the skillet and grill for about 3-4 minutes on each side or until the bread is golden brown and the cheese is melted.

  4. Serve: Remove the sandwich from the skillet, slice it in half, and serve warm.

how to serve Gourmet Roast Beef and Cheddar Melt Sandwich

Serve the sandwich with a side of chips, pickles, or a light salad. It can also be paired with a hot cup of soup for a complete meal. Enjoy with your favorite beverage!

how to store Gourmet Roast Beef and Cheddar Melt Sandwich

If you have leftovers, allow the sandwich to cool down. Wrap it in foil or place it in an airtight container. Store it in the refrigerator for up to 2 days. To reheat, place it in a skillet on low heat until warm and crispy again.

tips to make Gourmet Roast Beef and Cheddar Melt Sandwich

  • Use high-quality roast beef for the best flavor.
  • If you prefer a spicy kick, add extra horseradish to the aioli.
  • For added freshness, include some leafy greens like spinach or arugula inside the sandwich.

variation

For a twist, try using smoked gouda cheese instead of cheddar, or add sliced tomatoes and avocado for extra flavor and texture.

FAQs

1. Can I use a different type of bread?
Yes, you can use any bread you like. Ciabatta or rye bread also work well for this sandwich.

2. Is it possible to make this sandwich ahead of time?
Yes, you can prepare the horseradish aioli and roast beef ahead of time. Assemble the sandwich just before grilling to ensure it stays fresh.

3. Can I freeze the sandwich?
It is best to avoid freezing the assembled sandwich as the bread can become soggy. However, you can freeze the roast beef and aioli separately, then grill fresh sandwiches when you’re ready to enjoy.

Gourmet Roast Beef and Cheddar Melt Sandwich

A delicious sandwich combining tender roast beef and sharp cheddar cheese with a creamy horseradish aioli for an exciting lunch or dinner option.
Prep Time 10 minutes
Cook Time 8 minutes
Total Time 18 minutes
Servings: 2 servings
Course: Dinner, Lunch
Cuisine: American
Calories: 520

Ingredients
  

For the Sandwich
  • 4 slices Sourdough bread (thick-cut)
  • 8 oz Deli roast beef (thinly sliced, high quality)
  • 4 slices Sharp cheddar cheese (or 4 oz shredded)
  • 1/4 cup Red onion (very thinly sliced)
  • 2 tbsp Unsalted butter (softened, or mayonnaise)
For the Horseradish Aioli
  • 1/4 cup Mayonnaise
  • 1 tbsp Prepared horseradish (drained well)
  • 1/2 tsp Dijon mustard
  • 1/4 tsp Black pepper (freshly ground)
  • Pinch Salt

Method
 

Prepare the Horseradish Aioli
  1. In a small bowl, mix the mayonnaise, horseradish, Dijon mustard, black pepper, and a pinch of salt. Stir until everything is combined well.
Assemble the Sandwiches
  1. Take two slices of sourdough bread. Spread the horseradish aioli on each slice. Layer the roast beef, cheddar cheese, and red onion on one slice. Top with the other slice of bread.
Grill the Sandwiches
  1. Heat a skillet over medium heat. Spread the softened butter (or mayonnaise) on the outer sides of the sandwich. Place the sandwich in the skillet and grill for about 3-4 minutes on each side or until the bread is golden brown and the cheese is melted.
Serve
  1. Remove the sandwich from the skillet, slice it in half, and serve warm.

Notes

Use high-quality roast beef for the best flavor. If you prefer a spicy kick, add extra horseradish to the aioli. For added freshness, include leafy greens like spinach or arugula inside the sandwich.

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