Cookwith - Absurdist Keto Filet Mignon with Kimchi-Avocado Salsa and Black Coffee Butter

Ingredients

• 4 filet mignon steaks (6 oz each)
• 1 tbsp kosher salt (for brine)
• 4 cups cold water (for brine)
• 1 tbsp olive oil
• 1 cup kimchi, finely chopped
• 1 ripe avocado, diced
• 2 scallions, thinly sliced
• 1 tbsp toasted sesame oil
• 1 tbsp rice vinegar
• 1 tsp sesame seeds
• 1/4 cup unsalted butter, room temperature
• 2 tsp finely ground coffee (preferably dark roast)
• 1/2 tsp black pepper
• 1/2 tsp flaky salt (for garnish)