Olive oil, Tenderloin pork cut into medallion pieces, Button mushrooms cut in half, Garlic crushed, White wine, Double cream you can use single cream if you like it a bit runny, Whole mustard grain, ...
In the fat and juices left behind, gently cook the shallot until soft and translucent (about 15-20 minutes) then add the garlic and cook for a few minutes more. Add the tomato purée and Dijon mustard, ...