Broccoli and potatoes with blue cheese sauce

Broccoli and potatoes

• 600 g broccoli, cut in florets
• 700 g water
• ½ tsp salt
• 500 g potatoes, cut in pieces (3-4 cm)

Cheese sauce

• 100 g blue cheese, cut in pieces
• 20 g flour
• 50 g butter
• 80 g cream
• ¼ tsp ground white pepper
• 1 pinch ground nutmeg