Best of the best gratin dauphinois - delicious. magazine

Ingredients

• 200ml whole milk
• 300ml double cream
• Bunch thyme
• 1 bay leaf
• 1 rosemary sprig
• 1 tbsp black peppercorns
• 6 garlic cloves, sliced
• 1 tbsp sea salt
• Freshly grated nutmeg
• Butter to grease
• 1.8kg floury potatoes, such as maris piper or rooster
• You’ll also need
• Mandoline
• 2 identical deep baking dishes, around 25cm x 20cm