Heat oven to 400°F. Heat a large skillet and with 2 Tbsp. olive oil. Season each Filet with salt and pepper, put into hot pan and brown each side 4 minutes per side. Remove from pan and place onto a baking sheet and place into hot oven for 4 minutes. Or to desired temperature. In the filet pan add 2 Tbsp. olive oil and add garlic and lightly brown. Add the mushrooms, add onions and cook for another 5 minutes, add broth. Add the herbs and the 3 Tbsp. butter, make sure to stir butter into sauce. Add asparagus at the last moment and cook for 3 minutes. Slice russet potatoes and toss with olive oil, garlic and salt and pepper. Place on a baking sheet and bake for 25 minutes or until golden brown. Place filet on 3 potato slices top with mushrooms and asparagus sauce . Note: You can grill the filet.