One-sandwich skillet recipe · About 11 minutes
Knob Sandwich Recipe
Make a Knob Sandwich with roast beef, cheddar, mango chutney and salt-and-vinegar kettle chips. This skillet recipe makes one sandwich in 11 minutes.
This version layers roast beef, cheddar, mango chutney, mayonnaise and salt-and-vinegar kettle chips between sturdy bread, then grills the sandwich in a skillet.
By Oliver Mayerhoffer, lead author and publisher.
What is a Knob Sandwich?
In this recipe, a Knob Sandwich is a hot roast-beef sandwich with cheddar, mango chutney, mayonnaise and salt-and-vinegar kettle chips, grilled in a skillet until the bread is golden and the cheese melts.
The name on this page refers to this particular sandwich combination. We are not presenting it as an established regional dish or making a claim about a traditional British bread style.
This recipe makes one sandwich. The ingredient list and method are kept together below so you can follow the quantities without navigating between separate sections.
Knob Sandwich Recipe
A skillet-grilled roast beef sandwich with cheddar, mango chutney and salt-and-vinegar kettle chips.
Ingredients
- 2 slices sturdy sandwich bread, about 1 cm thick
- 120 g thinly sliced deli roast beef
- 2 slices sharp cheddar
- 1 tbsp mango chutney
- 1 tbsp mayonnaise
- 25 g salt-and-vinegar kettle chips
- 15 g softened salted butter
Method
- Butter the bread. Butter the two outer faces of the bread slices. Spread mayonnaise on the inside face of one slice and mango chutney on the inside face of the other.
- Layer the filling. Place one slice of cheddar on the mayonnaise side. Add the roast beef and kettle chips, then top with the second slice of cheddar and close the sandwich.
- Grill the sandwich. Heat a skillet over medium-low to medium heat. Cook for about 2 to 3 minutes per side, adjusting the heat as needed, until the bread is golden and the cheddar has melted. Press lightly so the filling stays in place.
- Rest and serve. Rest the sandwich for about 60 seconds before slicing. For a stronger chip crunch, add a few reserved chips after grilling.
Ingredient notes and simple variations
Choose bread that can hold the filling
Use two slices of sturdy sandwich bread, about 1 cm thick. Very soft or thin bread may compress under the roast beef, cheddar and chips. A sturdy, medium-thick sandwich loaf works; no specially shaped loaf is needed for this version.
Balance the chutney and cheddar
Mango chutney brings sweetness and acidity to the roast beef and cheese. Spread it in a thin layer so it does not overwhelm the filling. Peach chutney or fig jam can be used instead, although each gives the sandwich a different flavour.
Keep some chips back for serving
Kettle chips add a savoury crunch, but chips enclosed in a hot sandwich soften as they warm. For a more noticeable crunch, reserve a small handful and add them after grilling.
Serving, storage and food-safety notes
This sandwich has the best texture straight from the skillet. If preparing for a picnic, keep the roast beef, cheese and other perishable ingredients chilled, carry them in a cooler, and assemble the sandwich close to serving time.
Do not leave perishable food at room temperature for more than two hours, or one hour when the temperature is above 90°F (32°C). Keep cold perishable food at 40°F (4°C) or below. See the FDA guidance on handling food safely outdoors.
People at increased risk of serious Listeria infection—including those who are pregnant, aged 65 or older, or immunocompromised—should follow CDC advice to reheat deli meats to 165°F (74°C) or until steaming hot, or choose a safer alternative. Read the CDC’s Listeria prevention guidance.
Knob Sandwich questions
What is a Knob Sandwich?
In this recipe, a Knob Sandwich is a skillet-grilled sandwich filled with roast beef, cheddar, mango chutney, mayonnaise and salt-and-vinegar kettle chips. The name refers to this particular combination rather than a separately defined regional recipe.
What bread should I use?
Use two slices of sturdy sandwich bread about 1 cm thick. It should be firm enough to hold the roast beef, cheese, chutney and chips while it grills.
Can I replace the mango chutney?
Yes. Peach chutney or fig jam can be used instead, although the flavour will be different. Start with about one tablespoon and adjust to taste.
How can I keep the chips crunchy?
Kettle chips add texture, but some softening is likely inside a hot grilled sandwich. For a stronger crunch, reserve a few chips and add them after the sandwich comes off the skillet.
How should I handle leftover or picnic sandwiches?
For the best texture, assemble and grill the sandwich just before serving. Keep perishable fillings chilled and do not leave them at room temperature for more than two hours, or one hour when the temperature is above 90°F (32°C).
Do deli meats need extra care?
People at increased risk of serious Listeria infection, including those who are pregnant, aged 65 or older, or immunocompromised, should follow CDC guidance: reheat deli meat to 165°F (74°C) or until steaming hot, or choose a safer alternative.
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