2 heads baby gem lettuce, leaves separated
200g/7oz broccoli, cut into florets
150g/5陆oz Tenderstem broccoli, boiled until just tender
150g/5陆oz romanesco broccoli, cut into florets, boiled until just tender
200g/7oz cauliflower, cut into florets
2 leeks, sliced
1 lemon, juice only
1 tsp Dijon mustard
1 tsp English mustard
50驳/1戮辞锄 plain flour
1 tsp Worcestershire sauce
3 tbsp olive oil
1 tbsp sherry vinegar
50驳/1戮辞锄 unsalted butter
200g/7oz cheddar, grated
150g/5陆oz Lincolnshire poacher cheese, grated
450ml/16fl oz whole milk
陆 loaf brioche, cut into 2cm/1in cubes