Smoky Black Cod Salad

Ingredients

• 3/4 cup mayonnaise (Best Foods, Helmann's, or Veganaise)
• 1/4 cup plain yogurt
• 1 teaspoon Dijon mustard
• 1/2 teaspoon dried tarragon
• 1/2 teaspoon salt
• 1/4 teaspoon celery seed
• 1 garlic clove, smashed and minced
• 3 cups sliced cooked potatoes, chilled
• 1 cup thinly sliced celery
• 2/3 cup sliced radish (optional)
• 1 tablespoon minced red onions or 1 tablespoon purple onion
• 1/3 cup sliced green onion (scallions)
• 1/2 lb black smoked cod or 1/2 lb other smoked fish fillet, flaked
• butter lettuce leaf (or other small lettuce leaves)
• pacific pink shrimp, for garnish (optional)