Cod Cakes | Saveur

Ingredients

• 6 tbsp. extra-virgin olive oil
• 2 ribs celery, finely chopped
• 1 medium onion, finely chopped
• 1 clove garlic, finely chopped
• 2 russet potatoes (about 1 lb.), peeled and cut into 1⁄4" cubes
• Kosher salt, to taste
• 1 lb. boneless skinless cod filets
• Freshly ground black pepper, to taste
• ¹⁄₂ cup dried bread crumbs
• ¹⁄₄ cup mayonnaise
• 2 tbsp. finely chopped fresh dill
• 2 tbsp. finely chopped flat-leaf parsley
• 1 egg yolk, beaten
• 1 tbsp. lemon juice
• 4 tbsp. unsalted butter
• <a href="https://www.saveur.com/article/Recipes/Chowchow-1000073979/">Chowchow</a>, for serving (optional)