
Mashed Potatoes
Start by adding the baking soda on top of the beef steak and spread it evenly.
Then let it rest for 30 minutes in the refrigerator.
Once this time has passed, transfer it to a large baking dish and using a brush, remove all the excess baking soda.
Transfer it to a sheet of aluminum foil, season it with a pinch of salt, black pepper, chimichurri, onion powder, garlic powder, spread this seasoning evenly, turn the steak over and repeat this process on the other side.
Add the sprig of rosemary, the butter cut into cubes and wrap everything in the aluminum foil.
Take to a preheated oven at 180° C (350° F) and bake for 50 minutes.
In a large pot, add the potatoes cut into cubes and enough water to cover everything.
Turn on the heat to medium and cook for 15 minutes.
Once this time has passed, drain all the water from the potatoes and transfer them to a large bowl.
Add the butter and mash everything very well until it becomes a smooth purée.
Next, add the salt, the black pepper, the Parmesan cheese and mix everything very well until fully combined.
After the steak has finished baking in the oven, remove it from the aluminum foil.
Transfer it to a skillet and sear it until both sides are golden brown.
Serve it with the mashed potatoes we prepared.