Broccoli with anchovy dressing

1 head of broccoli

200g beluga lentils

½ carrot, celery rib and onion, finely chopped 

½ bottle Madeira

Beef stock 

For the dressing:

250ml sunflower oil

50ml extra virgin olive oil

2 whole free-range eggs

6 Ortiz anchovies

1 crushed clove of garlic

1 tsp Dijon mustard

Juice of ½ a lemon