Cut the M. chestnut mushrooms into slices.

Cut the red onion into rings.

Press the garlic.

Brush the tortilla with crème fraîche.

Place the red onion, garlic and M. Chestnut Mushroom slices on top.

Sprinkle with Parmesan cheese.

Some salt and pepper.

Put in an oven (250 degrees C) for 5 minutes.

Pour a few thin lines of (Garlic) oil over the pizza... and done!