You’ll Need
Main
2 thick slices of white or sourdough bread
100g leftover roast beef, thinly sliced
30g mature cheddar, grated
¼ small onion, thinly sliced
10g butter, softened
1 tsp horseradish sauce
Optional but Dangerous
Caramelised onion chutney
Dijon mustard
Pickles
Small pot of leftover gravy for dipping
Method
Preheat your air fryer to 190°C.
Butter one side of each slice of bread.
Turn the bread over and spread the horseradish sauce onto one slice.
Layer on the sliced roast beef.
Scatter over the sliced onion and grated cheddar.
Add a spoonful of onion chutney if using.
Top with the second slice of bread, keeping the buttered side facing out.
Place the sandwich into the air fryer basket.
Air fry for 4 minutes, then carefully turn it over.
Cook for another 3–4 minutes, until both sides are crisp and golden and the cheese has fully melted.
Leave to stand for 1 minute, slice in half and serve immediately.