Potato and Cauliflower Gratin - Petites Choses

Ingredients

• 1 medium cauliflower head, cut into florets, steamed until just tender
• 500 g baby potatoes, boiled until just tender
• 3 tbsp salted butter
• 3 tbsp flour
• 500 ml milk room temp
• 200 ml dairy cream, 35% fat
• 100 g Comté cheese, grated
• A pinch of nutmeg
• A pinch of white pepper
• 200 ml dairy cream, 35% fat (for topping)
• 100 g Gruyère or Emmental cheese, grated