Salt Bloom Potatoes with Garlic and Mascarpone Sauce

• 1½ lb (700 g) new potatoes
• 2 fat cloves garlic, very thinly sliced

Put the garlic into cold water and bring to the boil. Drain at once then refresh in cold water.

Drain again, then cook the garlic gently in the butter, taking care it doesn’t burn. Add the mascarpone with 2–3 tablespoons of water, stirring all the time to make a smooth sauce. Add pepper but