Ingredients:

• For the Tarragon Mayonnaise:
• 1/2 cup mayonnaise
• 2 or more tablespoons chopped fresh tarragon, or fresh herb of your choice
• For the Cod Fish Cakes:
• 2 russet potatoes, peeled and cut into 2-inch chunks
• 1 1/2 teaspoons table salt
• 1 bay leaf
• 1/2 onion, 1/4-inch slices
• 1 sprig fresh thyme or pinch dried thyme
• 1 pound cod fillet
• 2 large eggs
• 1/8 teaspoon black pepper
• Finely grated zest and juice of 1 lemon
• 1/4 cup chopped fresh parsley
• 2 tablespoons chopped fresh herbs such as basil, cilantro, dill, or tarragon
• 1 tablespoon Dijon mustard
• 2 tablespoons drained and chopped capers
• 4 scallions, finely sliced
• 3/4 cup panko breadcrumbs
• 4 to 6 tablespoons olive oil