01 -
Get your oven going at 400°F and cover a baking tray with parchment paper.
02 -
Crisp up the bacon, toss in the shallots and garlic, then soften the mushrooms before finishing with the spinach until it wilts.
03 -
Cut the tenderloin to open it up like a book, then tap it with a mallet or rolling pin until it’s about ½ inch thick.
04 -
Spread the filling across the pork, roll it up nice and tight, secure it with toothpicks, and lay it down toothpick-side down on the tray. Brush with a bit of olive oil and sprinkle salt and pepper on top.
05 -
Pop it in the oven for 25-35 minutes, aiming for an internal temp of 145-150°F. Let it sit under some foil for 10 minutes before slicing.