Begin by making your sauce because Wagyu doesn't take a lot of time.
Saute the onion in butter.
Slowly stir in the flour, making sure it doesn’t clump.
Cook for 1 minute.
Pour in the red wine and increase the heat until the wine boils.
Add molasses and beef broth.
Return to simmer for 10 minutes.
You can go longer if it’s not thick enough for you.
Cut the Wagyu into pieces you can sear easily.
Lightly coat a skillet with olive oil.
Salt Wagyu on all sides
Sear for 1-2 minutes for a crust. Do this on each side.
The beef should be 130 F, and it’s essential to rest it.
Set up your presentation with the gravy on the sides.