Beef and Horseradish Sandwich on Granary Bread
Why this recipe works
- Ready quickly: Cooked, thinly sliced roast beef keeps the sandwich fast to assemble with no cooking required.
- Sharpness cuts through the beef: Horseradish, lemon, Dijon mustard, and gherkins balance the richness of the roast beef.
- Good bite and crunch: Granary bread, folded beef, crisp rocket, and pickles create a more satisfying texture than a flat filled sandwich.
Get the most out of this recipe
Adjust the heat
- For a gentler sandwich: Use less horseradish in the mayonnaise and rely on the Dijon and lemon for sharpness.
- For more horseradish heat: Add extra horseradish gradually, tasting as you go so the sauce stays punchy rather than harsh.
- Keep the heat balanced: The gherkins and rocket help freshen the sandwich, so avoid making the horseradish mayonnaise so strong that it overwhelms them.
Ingredient notes
- Use thinly sliced beef: Thin slices fold neatly, give the sandwich height, and make each bite easier to eat.
- Choose your pickle style: Sweet gherkins give a rounder bite, while dill pickles make the sandwich sharper and more savoury.
- Dry the gherkins: Patting the sliced pickles dry helps keep the granary bread firm rather than damp.
Make-ahead tips
- Keep wet ingredients separate: For packed lunches, store the horseradish mayonnaise and pickles away from the bread until just before eating.
- Assemble close to serving: The sandwich has the best texture when the bread is still crisp and the filling remains cold.
- Pack with structure in mind: Layer the beef against the sauce side and keep the rocket away from excess moisture if carrying it to work or school.
Equipment you'll need
Ingredients
Instructions
- In a small bowl, mix the mayonnaise and horseradish with the lemon juice and black pepper until smooth and sharp. Taste and adjust with a little more horseradish if you like it hotter.
- Lay the bread slices on a board. Spread the horseradish mayonnaise over one slice, then spread the Dijon mustard over the other.
- Layer the roast beef on the horseradish mayonnaise side, folding the slices for height. Top with the rocket and the gherkins.
- Close the sandwich, press gently, then slice if you like. Serve immediately while the bread is still crisp and the filling is cold.
Recipe notes
Tips
- For the neatest sandwich, pat the gherkins dry before adding so the bread stays firm.
- If your roast beef is very cold from the fridge, let it sit at room temperature for 5 minutes so it folds without tearing.
Substitutions
- Replace Multigrain bread with Rye bread for a deeper, more robust flavour.
- Replace Sweet gherkin pickles with Dill pickles for a sharper, less sweet bite.
- Replace Mayonnaise with Avocado oil mayonnaise for a slightly lighter, cleaner finish.
Storage
- Refrigerate up to 1 days
- Best eaten straight away. If packing ahead, keep the horseradish mayonnaise separate and assemble just before eating; otherwise the bread will soften.
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Recipe overview
- Servings: 1 servings
- Total time: 15min (15min active)
- Difficulty: Easy
- Cuisine: British
-
Allergens:
Eggs Gluten Mustard Wheat
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