Beef Tenderloin.

You can have Beef Tenderloin using 3 ingredients and 2 steps. Here is how you cook it.

Ingredients of Beef Tenderloin

1. Prepare 1 of medium size tenderloin beef.
2. Prepare of Potato, for fries.
3. It's of Mustard.

Beef Tenderloin step by step

1. Marinate beef tenderloin with coarse salt and black pepper. Leave it for 10 mins. Then, heat a cast iron skillet. Fry tenderloin in high heat 3 mins each side. Flash a little wine on each side..
2. Cut potato into strips and deep fry it..