Ingredients

4 radishes


1 tsp golden caster sugar

3 mini bagels, split in half

100g crème fraîche

1 tbsp wholegrain mustard

6 slices salt beef, pastrami or roast beef

handful watercress


Prep: 10 MINS

Method

1)Put the radishes, vinegar, sugar and a good pinch of salt in a bowl and leave to pickle for 30 mins, or up to 24 hrs.

2)When you’re ready to serve, toast the bagels while you mix together the crème fraîche and mustard.