Position your oven rack to the lower middle position and preheat oven to 425 degrees F.
Wash and chop herbs if they are fresh. If using dried herbs, you can skip this step.
Pat steaks dry with a paper towel and sprinkle the tops with a pinch of salt and pepper (if tolerated). Tie kitchen twine around the middles of each of the steaks (outer edge).
Briefly heat oil in skillet over medium heat on the stovetop. Place steaks in the hot pan and cook until lightly browned on both sides, about 2 to 3 minutes per side. Cook times may vary depending on your stove.
Place the lightly browned steaks on a baking sheet to finish cooking the filet mignon. Bake on the lower middle rack in your preheated oven for about 10 to 15 minutes or until internal temperature registers 145 degrees F on a meat thermometer. (This will yield a medium cooked steak.)
While the filets are in the oven, make the compound butter. To a bowl, add softened ghee (or butter) and tarragon, parsley, thyme, garlic, salt and pepper. Mix until combined. Transfer to a small bowl and set aside.
When steaks are done, transfer them to a plate and let them rest for about 3 minutes. Remove kitchen twine.
Serve topped with the herb ghee mixture you made earlier and top with fresh parsley to garnish, if desired.