Pork Medallions with Creamy Mushroom Leek Sauce

pork tenderloin, fat trimmed, silverskin removed and cut into approximately 1/2-3/4 inch slices

extra virgin olive oil

cremini mushrooms, sliced

leek, white and light green parts thinly sliced and thoroughly rinsed to remove dirt

garlic, minced

fresh thyme leaves

Kosher salt and black pepper

flour

milk, I used 1% milk

1/3 less fat cream cheese, room temperature

plain non-fat Greek yogurt, room temperature