Clean the tenderloins well and dry them. Season with salt and pepper. In a large skillet over high heat, add the olive oil. When the oil is hot but not smoking add the tenderloins half and cook well all sides.
When done, remove from heat and let rest. Slice the pork into slices.
Clean the salad and place into a large bowl. Prepare the vinaigrette by mixing the olive oil, vinegar and salt in a separate bowl. When well mixed add to the salad making sure that every leaves of salad is covered with dressing.
Present on a plate with a bed of salad and the tenderloin around it.