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These air fryer roast beef sandwiches are warm gooey and incredibly satisfying with minimal effort. The combination of tender roast beef Swiss cheese and a tangy creamy sauce packed into a toasted brioche bun makes it a favorite go to for quick lunches or casual dinners
I first threw this together on a hectic school night and now it has become a staple whenever we need something fast comforting and delicious
Ingredients
- Mayonnaise: adds creaminess and balances heat choose real mayo for the best result
- Stone ground mustard: brings texture and boldness pick one with visible mustard seeds for extra flavor
- Prepared horseradish: provides gentle heat go with a refrigerated version for freshness
- Brioche buns: offer a sweet buttery base opt for fresh soft ones to hold the fillings well
- Swiss cheese: melts smoothly and brings a mild nutty depth you can also use havarti or provolone
- Thinly sliced deli roast beef: delivers savory flavor choose a lean cut with some marbling
Step-by-Step Instructions
- Make the Sauce:
- In a small bowl combine mayonnaise stone ground mustard and prepared horseradish mix until fully blended and smooth
- Prep the Buns:
- Place the bottom and top halves of the buns inside your air fryer basket optionally line it with foil for easy cleanup spread the prepared sauce onto each bun half covering the entire surface
- Add Cheese and Meat:
- Place one slice of Swiss cheese on each bun on the bottom buns add about five slices of roast beef making sure to layer evenly
- Air Fry the Sandwiches:
- Set your air fryer to 370 degrees Fahrenheit cook the sandwiches for 4 to 6 minutes until the cheese melts meat warms through and buns turn golden if tops brown too fast remove them halfway through
- Repeat and Serve:
- Work in batches if needed depending on your air fryer size repeat the process and serve sandwiches hot with your favorite sides
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I love the creamy heat that horseradish adds to this sandwich and it reminds me of when my husband first raved about it after a long day at work we now keep horseradish stocked just for this
Storage Tips
Wrap leftover sandwiches in foil and refrigerate up to two days reheat in the air fryer for a few minutes to bring back the crunch and gooey cheese
Ingredient Substitutions
If you prefer less heat swap horseradish for garlic aioli use dijon instead of stone ground mustard or replace Swiss cheese with provolone or gouda
Serving Suggestions
Pair with potato chips coleslaw or a pickle spear for a deli style lunch or dip into warm au jus for a French dip twist
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Cultural Context
Beef sandwiches have long been a comfort food across the United States this air fryer version brings modern convenience to a deli classic while preserving bold hearty flavor
Frequently Asked Questions About Recipes
- → Can I use different types of mustard?
Yes. If stone ground mustard is not your favorite, you can substitute it with Dijon or even leave it out completely depending on your taste.
- → What kind of cheese works best?
Swiss cheese melts beautifully, but Havarti, provolone, or gouda also pair well with the beef.
- → Can I make this open faced?
Yes. Simply reduce the cook time by about a minute when making it open faced in the air fryer.
- → What sauce alternatives can I use?
Try garlic aioli, mayo, BBQ sauce, or a sweeter sauce with added honey or maple syrup. You can also use Horsey Sauce or Arby-Q Sauce.
- → How do I store leftovers?
Keep any leftover sandwiches in an airtight container for up to 2 to 3 days. Reheat gently in the air fryer or oven to avoid sogginess.
- → Can I serve it as a beef dip?
Absolutely. Warm up beef consommé or prepare an au jus gravy packet for dipping.