The ingredients and their amounts are as follows: 2 pieces of filet mignon, 250 grams of mushrooms, 1 sheet of puff pastry, yellow mustard sauce and black pepper to taste, and 1 tablespoon of salt.

Methods are as follows:

1. Marinate the steak with rose sea salt and black pepper for twenty minutes.

2, sauté the mushrooms, salt and pepper until all the moisture is gone.

3. Heat the corn oil and fry the steak until slightly charred, so that it comes out with a charred flavor

4. Cool the steak a little, then coat it with the yellow mustard sauce on the top and bottom

5. Put plastic wrap on the bottom, then put the puff pastry on top of it. 20 minutes.

6, preheat the oven at 220 degrees for 5 minutes, add the steak and bake for 15 to 20 minutes.

7. Here is a picture of the finished steak.