Solomillo de Buey ( Filet Mignon of Beef ) with foraged Mushrooms is a Navarran specialty and an absolutely extraordinary dish for family Sundays as well as entertaining guests and romantic dinners for two. 

For the Filet Mignon:

350 grams of filet mignon for 2 people 

1 tsp salt of choice

1 or 2 cloves finely diced garlic 

1/2 tsp of Thyme herb finely diced or thyme spice

For the Mushroom Sauce:

1 tablesp of Spanish Extra virgin olive oil 

2 tablesp. minced shallot, or sweet onion 

285 grams of assorted Mushrooms of choice 

salt and freshly ground black pepper to taste

3 shot glasses of Navarran or La Rioja Red Wine of Choice

1 / 2 tsp. Thyme spice 

a pinch of Spanish Smoked Paprika, La Vera Pimentón or Hungarian 

1 tablespoon of French style butter ( 82% butter fat )

2 tablespoons of Idiazabal Basque Sheep Cheese or  Reggiano Parmesan (not powder )

STEPS:

1) Preheat oven to 200 - 224 Centig degrees  =  farenheit 400 degrees .

2) Prepare the rub combining salt, garlic and thyme in a bowl.

3) Pat the meat dry. Sprinkle half the spice mix onto 1 side of the steak  and turn over and repeat on the other side of the meat. Set aside and let the meat absorb the spices and garlic.

4) Wash and de-stem the mushrooms and slice finely.  Heat the Evoo, in a skillet and add the shallot and sauté until shallots are tender. 

5)  Add the sliced patted dry mushrooms to the shallots and let them sweat for 5 minutes. Now stir the red wine into the mushroom mixture and cook until wine is absorbed and add the butter and the crumbled cheese to the mixture. Sauté and stir as the cheese melts. Keep this warm with a cover ..

6)  Place the steak in another skillet, and sear approx 1 minute per side.

7) Now place the seared steak in the oven, on grill for approx 8 to 10 minutes per side for rare, or médium rare according to preference.  

8)  When done to your likeness, place the steaks on a platter.

9) Serve the steaks drizzled with the Mushroom & Cured or Aged Cheese Sauce.

Absolutely amazing .. 

Have a lovely summer.