This open-faced broiled roast beef sandwich is a delightful twist on a classic. Perfect for a quick lunch or a light dinner, it combines the savory flavors of roast beef and melted cheese on a crispy slice of bread. The optional horseradish sauce adds a zesty kick that elevates the entire dish.
If you don't typically have roast beef or horseradish sauce in your kitchen, you'll need to pick these up at the supermarket. Roast beef can be found in the deli section, often pre-sliced for convenience. Horseradish sauce is usually located near the condiments. Opt for a good-quality cheese like cheddar or swiss to ensure the best flavor.

Ingredients For Open-Faced Broiled Roast Beef Sandwich
Roast beef: Thinly sliced, this is the main protein of the sandwich, providing a rich and savory flavor.
Bread: Preferably sourdough or rye, these types of bread offer a sturdy base and a tangy taste that complements the other ingredients.
Cheese: Choose your favorite, like cheddar or swiss, to melt over the roast beef, adding a creamy and gooey texture.
Butter: Softened butter is spread on the bread to help it crisp up under the broiler.
Horseradish sauce: Optional, but it adds a spicy and tangy kick that enhances the overall flavor of the sandwich.
Technique Tip for Making This Sandwich
To ensure your cheese melts evenly and achieves that perfect bubbly texture, make sure to place the sandwiches on the top rack of your oven, closest to the broiler. Keep a close eye on them, as broilers can vary in intensity and you don't want the bread to burn.
Suggested Side Dishes
Alternative Ingredients
roast beef - Substitute with turkey breast: Turkey breast is a leaner option and provides a different flavor profile while still offering a similar texture.
roast beef - Substitute with grilled portobello mushrooms: For a vegetarian option, grilled portobello mushrooms provide a meaty texture and umami flavor.
sourdough bread - Substitute with whole grain bread: Whole grain bread adds more fiber and nutrients, making the sandwich healthier.
sourdough bread - Substitute with gluten-free bread: For those with gluten intolerance, gluten-free bread is a suitable alternative.
cheddar cheese - Substitute with mozzarella cheese: Mozzarella cheese melts well and has a mild flavor that complements the other ingredients.
cheddar cheese - Substitute with vegan cheese: For a dairy-free option, vegan cheese provides a similar texture and can be found in various flavors.
softened butter - Substitute with olive oil: Olive oil is a healthier fat option and adds a subtle flavor to the sandwich.
softened butter - Substitute with avocado spread: Avocado spread provides healthy fats and a creamy texture, enhancing the sandwich's flavor.
horseradish sauce - Substitute with dijon mustard: Dijon mustard offers a tangy and slightly spicy flavor that can replace the kick of horseradish.
horseradish sauce - Substitute with sriracha mayo: Sriracha mayo adds a spicy and creamy element, giving the sandwich a different but enjoyable heat.
Other Alternative Recipes Similar to This Sandwich
How to Store or Freeze This Recipe
- Allow the open-faced broiled roast beef sandwiches to cool completely before storing.
- Wrap each sandwich individually in plastic wrap or aluminum foil to maintain freshness.
- Place the wrapped sandwiches in an airtight container or a resealable plastic bag.
- Store the sandwiches in the refrigerator for up to 3 days.
- For longer storage, place the wrapped sandwiches in a freezer-safe container or a freezer bag.
- Label the container or bag with the date to keep track of freshness.
- Freeze the sandwiches for up to 1 month.
- To reheat, remove the sandwich from the freezer and unwrap it.
- Preheat your oven to 350°F (175°C).
- Place the sandwich on a baking sheet and cover it loosely with aluminum foil.
- Bake for 15-20 minutes, or until the roast beef is heated through and the cheese is melted.
- Alternatively, you can reheat the sandwich in a microwave by placing it on a microwave-safe plate and covering it with a damp paper towel. Heat on medium power for 1-2 minutes, or until warmed through.
- Add a fresh dollop of horseradish sauce if desired before serving.
How to Reheat Leftovers
Oven Method:
- Preheat your oven to 350°F (175°C).
- Place the leftover open-faced broiled roast beef sandwich on a baking sheet.
- Cover the sandwich loosely with aluminum foil to prevent the bread from becoming too crispy while allowing the cheese to melt evenly.
- Heat in the oven for about 10-15 minutes, or until the roast beef is warmed through and the cheese is bubbly again.
- Remove the foil for the last 2-3 minutes if you prefer a slightly crispier texture.
Microwave Method:
- Place the sandwich on a microwave-safe plate.
- Cover it with a microwave-safe lid or a damp paper towel to retain moisture.
- Microwave on medium power for 1-2 minutes, checking halfway through to ensure the cheese is melting and the roast beef is heated.
- If needed, continue microwaving in 30-second intervals until fully reheated.
Toaster Oven Method:
- Preheat your toaster oven to 350°F (175°C).
- Place the sandwich on the toaster oven tray.
- Heat for about 8-10 minutes, keeping an eye on the cheese to ensure it melts without burning.
- For an extra crispy finish, switch to the broil setting for the last 1-2 minutes.
Stovetop Method:
- Preheat a skillet over medium heat.
- Place the sandwich in the skillet and cover with a lid to trap the heat.
- Heat for about 5-7 minutes, occasionally pressing down with a spatula to ensure even warming.
- Flip the sandwich halfway through if you prefer both sides to be crispy.
Air Fryer Method:
- Preheat your air fryer to 350°F (175°C).
- Place the sandwich in the air fryer basket.
- Heat for 5-7 minutes, checking halfway through to ensure the cheese is melting and the roast beef is warmed.
- For a crispier texture, increase the temperature to 375°F (190°C) for the last 1-2 minutes.
Essential Tools for Making This Recipe
Broiler: The broiler is used to melt the cheese and give it a bubbly, golden finish.
Baking sheet: The baking sheet holds the bread slices and ensures even broiling.
Butter knife: The butter knife is used to spread softened butter on the bread slices.
Tongs: Tongs help in placing the roast beef slices on the bread without making a mess.
Oven mitts: Oven mitts protect your hands when removing the hot baking sheet from the broiler.
Spatula: A spatula can be used to lift and serve the open-faced sandwiches.
Small bowl: A small bowl can be used to hold the horseradish sauce for easy dolloping.
How to Save Time on Making This Sandwich
Pre-slice ingredients: Pre-slice the roast beef and cheese in advance to save time during assembly.
Use pre-buttered bread: Purchase pre-buttered bread or butter the bread ahead of time and store it in the fridge.
Preheat the broiler: Make sure to preheat your broiler while preparing the ingredients to reduce waiting time.
Assemble in batches: Assemble multiple sandwiches at once and broil them together to save time.
Use parchment paper: Line your baking sheet with parchment paper for easy cleanup.

Open-Faced Broiled Roast Beef Sandwich Recipe
Ingredients
Main Ingredients
- 4 slices Roast Beef
- 2 slices Bread preferably sourdough or rye
- 2 slices Cheese your choice, like cheddar or Swiss
- 1 tablespoon Butter softened
- 1 teaspoon Horseradish Sauce optional
Instructions
- Preheat your broiler.
- Spread butter on one side of each bread slice.
- Place the bread slices, buttered side up, on a baking sheet.
- Layer the roast beef slices on top of the bread.
- Top with cheese slices.
- Broil for 3-5 minutes, until the cheese is melted and bubbly.
- Remove from the oven and add a dollop of horseradish sauce if desired.
- Serve immediately.
Nutritional Value
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