Marinated the Wagyu tender with sea salt, olive oil, rosemary, parsley minimum 1 hour

Add some unsalted butter into the hot frying pan with mushrooms, you can use portabelo or championge

Put the Wagyu inside the frying pan, wait until 3 or 5 minutes less for each side,

While waiting the Wagyu is done, Put some unsalted butter plus garlic chopped into other pan, add some spinach, cook for about 5 minutes

Put Wagyu and mushroom into plate, add some sauted spinach + sweet corn and give some sauce steak.