Pan Seared Salmon

Bahan-bahan (4 porsi)

• 4 (6- to 8-ounce) salmon fillets (skin on)
• ½ teaspoon kosher salt (plus a few extra pinches)
• ¼ teaspoon ground black pepper
• 1 tablespoon unsalted butter
• ½ tablespoon canola, grapeseed, avocado, or another high smoke-point cooking oil
• 1 lemon (cut into wedges)
• Chopped fresh parsley (or basil, or dill, optional for serving)