Leftover Roast Potato Gratin

A strange one but it works amazing. And gives you the most ultimate flavoured gratin the world.

Ingredients
10-12 leftover roast potatoes
5 cloves of garlic finely chopped
300mls of cream
200g of parmesan cheese

Method
In a casserole dish or baking tray place in the potatoes. With a potato masher squash them lightly so the flatten slightly. Now add in the chopped garlic and cream. Season with sea salt and bake at 180oC for 15mins. Grate over the parmesan cheese and bake for a further 5 mins. Serve it all up and enjoy.