Cod Cake with Amba Sauce and Israeli Salad

Name: Cod Cake with Amba Sauce and Israeli Salad
Ingredients: ½ cup plus 1 tablespoon vegetable oil, divided; 1 red onion, chopped; 1 yellow onion, chopped; 1 bulb head garlic, cloves separated, peeled, and minced; 3 large eggs; 1 cup chopped fresh dill; 1 cup chopped fresh parsley; 1½ tablespoons ground cumin; 1½ tablespoons ground cardamom; 1½ tablespoons ground caraway; 1 teaspoon ground turmeric; 1 teaspoon cayenne pepper; 1 teaspoon paprika; 1 tablespoon kosher salt; Grated zest and juice of 2 limes; 3 cups panko bread crumbs, divided; 3 pounds cod fillets, skin removed, minced; ½ cup mayonnaise; 1 cup all-purpose flour; Cooked white rice, for serving; ½ cup tahini; 1 cup mayonnaise; ½ cup jarred amba; 3 Israeli pickles, chopped (optional); 2 Persian cucumbers, roughly chopped; 2 Jersey tomatoes, roughly chopped; 1 red onion, roughly chopped; ½ cup chopped fresh parsley; Juice of 1 lemon; 2 tablespoons olive oil