New England Cape Cod Chowder Recipe

Name: New England Cape Cod Chowder Recipe
Ingredients: 2 6-oz cod fillets; 1 onion, chopped; 4 medium potatoes, diced; 1 teaspoon fresh thyme, chopped; 1 tablespoon fresh chives, sliced (for garnish); 1 bay leaf; 1 1/2 cup half-and-half; 3 tablespoons unsalted butter; 1 tablespoon extra-virgin olive oil; 1/8 teaspoon nutmeg; 1 tablespoon all-purpose flour; Salt and pepper; 2 cups all-purpose flour; 1 tablespoon baking powder; 1 tablespoon granulated sugar; 1 tablespoon fresh thyme, chopped; 1/2 teaspoon cream of tartar; 1/2 teaspoon salt; 1 1/4 cup low-fat Greek yogurt; 1 egg