Rustic Potato Gratin

Preparation

1. Peel the potatoes and slice thinly.

   Slice the mushrooms.

   In a gratin dish lay out half the potato slices.

   Season with salt and pepper and then add the mushrooms and bacon.

   Spread over a layer of crème fraîche using the back of a spoon.

   Cover with the rest of the potato slices.

   Season with salt and pepper.

   Add another layer of crème fraîche.

   Pour over the milk.

   Preheat the oven to 180°C and bake for 1 hour.