Step 1

Chop the mushrooms into three of four slices.

Step 2

Melt the butter in a frying pan and add the mushrooms and thyme.

Step 3

Cook cook approximately 5 minutes until the mushrooms are soft and any water released has cooked away.

Step 4

Add the creme fraiche and dijon mustard and stir well. Season to taste with salt and pepper.

Step 5

Toast a slice of tiger or sourdough bread and add the mushrooms on top.

Step 6

Serve immediately.