Bring tenderloins to room temperature and pat dry with a paper towel
Salt and pepper on all sides generously.
Heat a cast iron grill pan to medium-high heat. Butter each rib and add the tenderloins
As soon as you add the meat, reduce the heat to medium, and sear both sides 4 minutes.
Transfer meat to a plate to rest for 5 minutes before serving.
For The Sauce
Add the butter, garlic and leaves from one rosemary stalk to a ramekin. Mash with a fork and add a dollop to each tenderloin.
Notes
Check the temperature with an instant thermometer for the desired doneness.If you are cooking with larger tenderloins, you may consider finishing them in the oven at 400°F.
This website provides approximate nutrition information based on third party calculations and is only an estimate. Each recipe and nutritional value will vary depending on the brands, measuring methods and portion sizes per household. We recommend running the ingredients through whichever online nutritional calculator you prefer.