How do I make this a kosher recipe?

Well First you need Ingredients
8 Chicken thighs (organic or natural with skin on)
3 Tbsp. sea salt
1 tsp. coarsely ground black pepper
2 Tbsp. unsalted butter
1/2 cup all-purpose flour

Directions
salt with about a cup of warm water in a large bowl.
Chill in the refrigerator until dinner time.
Put the butter in a roasting pan large enough to fit the chicken in one layer.
Add the chicken pieces tow at a time and shake them of vigorously.
Just before serving, grind fresh pepper over top and sprinkle lightly with sea salt.
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Abeille - more questions about how to make this dish kosher? All set?

You don’t want to brine a kosher chicken— it will be way too salty. I’d use an oil that can withstand high heat (grapeseed, avocado, safflower) in place of the butter.