2–3 Maris Piper potatoes, peeled and sliced into 1cm/½in thick rounds
1 tbsp wholegrain mustard
1 tsp wholegrain mustard
1 tbsp runny honey
20²µ/¾´Ç³ú butter, cubed
80²µ/2¾´Ç³ú cheddar, finely grated, plus 50g/1¾oz for the topping
50ml/2fl oz double cream