This Horseradish Mayo Steak Sandwich is a quick and delicious meal that combines tender steak, creamy horseradish mayo, and sweet caramelized onions, all nestled in a toasted sandwich roll. Perfect for a satisfying lunch or dinner, this recipe is simple yet packed with flavor. Whether you're a steak lover or just looking for a hearty sandwich, this recipe is sure to impress!
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In a skillet, cook sliced onions with a bit of oil and salt until caramelized and golden, about 8–10 minutes.
Season the steak with salt and pepper. Sear on high heat for 2–3 minutes per side for medium rare. Let it rest, then slice thinly against the grain.
Mix mayo and horseradish in a small bowl. Season with salt, pepper, and garlic powder. Adjust to taste by adding extra horseradish if desired.
Toast the sandwich rolls. Spread the horseradish mayo on the rolls, add the sliced steak, and top with caramelized onions.
Slice the sandwich in half and enjoy!
For extra flavor, you can rub the steak with garlic powder before searing.
If you prefer a spicier kick, add more horseradish to the mayo mixture.
Use a meat thermometer to ensure your steak is cooked to your preferred doneness.
Can I use a different type of bread?
Yes, you can use any bread you prefer, such as ciabatta, sourdough, or even a wrap.
What cut of steak works best for this recipe?
Strip, ribeye, or sirloin are great options, but you can use any steak cut you love.
Can I make this sandwich ahead of time?
It's best enjoyed fresh, but you can prepare the components ahead of time and assemble just before serving.
How can I make this sandwich dairy-free?
You can use a dairy-free mayo alternative to make this recipe dairy-free.
What can I serve with this sandwich?
This sandwich pairs well with a side of fries, a fresh salad, or even a bowl of soup.
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