Gordon Ramsay Steak Sandwich – The 7 best Fixes for a Juicier Bite
Gordon Ramsay steak sandwich isn’t just lunch—it’s a borderline seduction on grilled ciabatta. We’re talking seared fillet, sweet-hot tomato relish, mustard mayo that bites back, and bread so toasted it fights sogginess like a bouncer at a dive bar.
I used to think a steak sandwich meant sliced sirloin on white bread. I was wrong. Ramsay doesn’t just throw steak on toast. He composes it. Layer by layer, flavor by flavor. And once I got it right? Yeah, I started cutting mine thick too.
Why This Works
This isn’t deli roast beef. It’s fillet. It’s cooked like a steak, rested like a roast, and sliced like it cost something—which it did. And it’s all worth it.
You start with a hard sear in a hot pan, garlic and thyme dancing in the oil like it’s opening night. Then comes the butter. Not to soften the meat—but to baste it, coat it, give it a richness that sticks.
The bread isn’t just toasted. It’s grilled, pressed into the pan so it comes out armored and ridged, ready to hold that stack of protein and juice without crying for help.
Then there’s the relish. Red and yellow cherry tomatoes, chili, onion, vinegar. Cooked down until it’s not a topping—it’s a jam. Add grainy mustard mayo to balance the heat with tang. Now it’s not just a sandwich. It’s a damn experience.
What I Got Wrong (And Fixed)
I used to slice the steak thin. Big mistake. Ramsay goes thick—because fillet isn’t meant to dry out in the air like salami. You cook it pink, rest it properly, and slice it like you’re serving a roast.
I forgot to toast the bread. Another rookie move. Ramsay chars it so it won’t absorb the sauce and fall apart. The crunch matters.
And yeah, I skipped the relish once. Just slapped on raw tomatoes like a heathen. Never again. Cook them down, pop the skins, splash in vinegar. That’s what makes the flavor explode.
Now my Gordon Ramsay steak sandwich looks and tastes like it belongs in a restaurant. A loud one, where everyone shuts up when the food hits the table.
The Gear
Don’t overthink it. Just get this stuff right:
- Cast-iron or carbon steel pan – For the sear and the basting
- Grill pan or hotplate – Toasts bread with marks and muscle
- Sharp carving knife – Thick steak = clean slices
- Mixing bowl + spoon – For mustard mayo and relish prep
- Wooden spoon – For breaking down the tomatoes properly
Gordon Ramsay Steak Sandwich
Ingredients
Equipment
Method
- Season beef fillet with salt and pepper. Bring to room temperature.
- Heat olive oil in pan. Sear beef with garlic and thyme, turning every 2 mins.
- Add butter and baste steak for 1–2 mins. Transfer to 390°F oven for 10–12 mins. Rest for 15 mins.
- Sauté onion and chili in oil. Add tomatoes, blister skins. Add vinegar, reduce, stir in basil. Cool.
- Mix mayonnaise and mustard. Set aside.
- Brush ciabatta with olive oil. Grill or pan-toast until charred and crisp.
- Slice rested steak thick. Assemble sandwich: bread → mustard mayo → steak → tomato relish → top bread. Slice to serve.
Nutrition
Notes
Love this recipe?
Give us 5 stars and comment!The Cast of Characters
This steak sandwich doesn’t have many actors, but they all take center stage:
- 700g beef fillet (about 1.5 lbs) – center-cut, trimmed
- 1 garlic bulb, halved
- 3–4 thyme sprigs – fresh
- Butter – about 2 tablespoons, unsalted
- Olive oil – for both steak and relish
- Sea salt & cracked black pepper
Tomato Relish:
- 250g cherry tomatoes (about 9 oz) – mix of red and yellow
- ½ red onion, finely chopped
- 2 red chilies, deseeded and chopped
- 1–2 tsp sherry vinegar
- Fresh basil, shredded
Mustard Mayo:
- 3 tbsp mayonnaise
- 3 tsp wholegrain mustard
Bread:
- 12 slices ciabatta, ½-inch thick
- Olive oil for brushing
The Execution
Here’s how to make a Gordon Ramsay steak sandwich that makes jaws drop.
- Prep the steak – Bring to room temp. Season all sides with salt and cracked pepper.
- Sear it – Hot pan. Add olive oil, garlic halves, thyme. Hold the steak to the surface—don’t drop it. Sear 2 mins per side.
- Baste – Add butter, tilt pan, spoon hot fat over steak continuously for 1–2 mins.
- Roast – Transfer pan to a 390°F (200°C) oven. Roast for 10–12 mins for medium-rare. Remove and rest 15 mins.
- Make relish – Sauté onion and chili in olive oil. Add tomatoes and blister them. Add vinegar, reduce heat, cook down until jammy. Stir in basil.
- Mix mustard mayo – Combine mayo and wholegrain mustard. Done.
- Toast ciabatta – Brush slices with olive oil. Grill or griddle until charred and crisp.
- Slice steak – Thick, confident slices.
- Assemble – Bread → mustard mayo → lettuce (optional) → thick steak slices → spoonful of relish → top bread.
Slice diagonally. Wipe that board. Serve hot.
Real-Life Adjustments
- No fillet? Use sirloin, but cook faster and slice thinner.
- No ciabatta? Use sourdough. But toast it hard.
- Too spicy? Skip one chili and add extra basil.
Variations That Actually Hold Up
- Balsamic onion jam instead of tomato relish
- Wasabi mayo instead of mustard
- Roasted garlic aioli instead of regular mayo
Whatever you swap, keep the sear and the slice thick. That’s the rule.
Serving Suggestions
Serve Gordon Ramsay steak sandwich hot, plated solo or with a crisp green salad. No fries. No slaw. The sandwich should own the plate.
If you’re going brunch-style, add a poached egg and serve open-face. But honestly? It doesn’t need it.

Recipe FAQs
Can I use a different cut of beef?
Yes—but you lose tenderness. Fillet is king here for a reason.
Do I need a grill pan?
You need something hot enough to leave marks. If not, use a cast-iron pan and press the bread.
How long should I rest the steak?
At least 15 minutes. If you skip it, you’ll cry when the juice bleeds out onto the board.
Can I prep the relish ahead?
Yes. It keeps 3–4 days in the fridge and actually gets better overnight.
Should the sandwich be served warm or cold?
Warm. Always. Cold steak sandwiches are for lunchboxes, not this.
The Ramsay Result
It’s steak that eats like steak, not sandwich filler. A crusted bread base, creamy heat from the mustard, and a sweet, spicy jam punch in every bite. Gordon Ramsay steak sandwich doesn’t play nice—it plays loud.
Your Turn
Want to make sandwiches that don’t suck? Start with this and move into the full lineup of Gordon Ramsay beef and lamb recipes. One sandwich at a time, we’re fixing lunch.