Quick-Braised Cod With Herbed Yogurt Recipe

Ingredients

• 4 cod or hake fillets (6 to 8 ounces each)
• Salt and freshly ground black pepper, to taste
• 2 tablespoons unsalted butter
• 1 tablespoon extra-virgin olive oil, more as needed
• 1 large shallot or 1/4 of a red onion, thinly sliced
• 5 sprigs thyme
• 1/4 cup dry white wine
• 1/3 cup plain yogurt (see Note)
• 2 tablespoons minced fresh dill, parsley or cilantro, more for serving
• 1 small clove garlic, finely grated or minced
• Flaky sea salt, for serving (optional)