In a large saute` pan add 1/4 cup of EV olive oil.
Add 3 cloves of garlic and saute`.
When the oil is hot add the anchovies and let saute`. They will quickly break up and almost liquefy.
Add the pancetta and let it color.
Chop the celery, the onion and the carrot into fine pieces and add to the pan.
Cut the mushrooms into slices and add to the pan.
Add the capers and the peperoncino... as desired and depending on how hot it is.
Move all the vegetables to one side and use the open space in the pan to sear the tuna steaks on both sides (3 minutes per side).
Add the wine and let the alcohol evaporate... about 5 minutes at high flame.
Serve and enjoy.