Cut the pork tenderloin into ¼-¾" round medallions and set aside.
2 Pork Tenderloin
In a small bowl measure the flour, pepper, and salt and mix well. Set aside.
1 Cup Flour, 1 tsp Salt, 2 tsp Black Pepper
In another small bowl crack eggs and whisk until well blended. Set aside.
2 Lrg Eggs
In remaining bowl measure the panko and the parmesan. Break any parmesan lumps up and mix well.
2 Cups Panko, ¾ Cup Parmesan Cheese Powder
Using tongs dip the pork medallions into the flour, then egg, then panko mixture. Coating well each time. Set aside. Let coated medallions rest for ten minutes before cooking. This can also include the time it takes to heat the oil in the pan.
In the frying add the vegetable oil to create a one inch layer and heat on medium-high until hot.
Vegetable Oil
Reduce the heat to medium to cook the medallions.
Using clean tongs lay a single layer of pork medallions in the hot oil being careful to leave space around each.
Let each medallion fry for one -two minutes before flipping.
NOTE: If it's browning to fast reduce the heat a bit further.
Flip each medallion at least two times for even browning and complete cooking.
Test each medallion before removing from pan to add to warming element or low-temp oven while finishing cooking.
When pan is fully empty add more medallions if cooking more than one batch.
Serve while hot when finished cooking all pork medallions.