ソテー（牛肉のソテー ）｜オテル・ドゥ・ミクニさんのレシピ書き起こし

Slice the onion into 5mm wide slices.
Shred the beef by hand.

Heat a frying pan over high heat and add half the unsalted butter to melt.
Add onions, sprinkle with salt and fry.
Take out the onions.
Add the remaining unsalted butter and let it melt.
Add beef and fry.
Sprinkle with salt and pepper, add the onions and sauté.
Add red wine vinegar and parsley.

Complete by placing 2 on a plate with rice (not listed).