House-Smoked Rare Roast Beef Sandwich with Horseradish Mayo

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

Tender house-smoked rare roast beef layered on a soft onion roll with Swiss cheese and fresh garden vegetables, finished with a zesty horseradish mayo. This american-inspired sandwiches & wraps ready in about 15 minutes pairs rare roast beef, roll onion roll, Swiss cheese for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 550 calories and feeds 1, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 10 min Cook: 5 min Serves 1 American cuisine 550 cal/serving
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Ingredients

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Instructions

  1. Step 1: In a small bowl, combine 2 tbsp mayonnaise with 1 tsp prepared horseradish and a pinch of black pepper; mix well to create horseradish mayo.
  2. Step 2: Slice 1 onion roll horizontally and lightly toast it in a 350°F oven for 3 minutes until warm and slightly crisp on the edges.
  3. Step 3: Spread the horseradish mayo evenly on both cut sides of the toasted onion roll.
  4. Step 4: Layer 6 oz of thinly sliced house-smoked rare roast beef onto the bottom half of the roll.
  5. Step 5: Add 2 slices Swiss cheese over the beef, followed by 2 large leaves of fresh lettuce, 3 thin slices of red onion, and 3 slices of ripe tomato.
  6. Step 6: Close the sandwich with the top half of the roll, press gently, and slice in half for serving.

Frequently asked questions

How long does House-Smoked Rare Roast Beef Sandwich with Horseradish Mayo take to make?

Total time is about 15 minutes (10 min prep + 5 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover House-Smoked Rare Roast Beef Sandwich with Horseradish Mayo?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep rare roast beef from drying out.

Can I substitute ingredients in House-Smoked Rare Roast Beef Sandwich with Horseradish Mayo?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale House-Smoked Rare Roast Beef Sandwich with Horseradish Mayo for a different number of people?

The recipe is written for 1 servings. Multiply each ingredient by (your serving target / 1). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with House-Smoked Rare Roast Beef Sandwich with Horseradish Mayo?

American sandwiches & wraps like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.