Crispy Fried Shawarma Spiced Eggplant Slices

Name: Crispy Fried Shawarma-Spiced Eggplant Slices
Ingredients: Shawarma Spice Mix; 1/4 cup granulated garlic; 2 teaspoons ground cumin; 1 teaspoon ground cinnamon; 1 teaspoon ground caraway seeds; 1 teaspoon freshly ground black pepper; 1/2 teaspoon ground coriander; 1/2 teaspoon ground cayenne pepper; 1/2 teaspoon smoked sweet paprika; 1/4 teaspoon Aleppo pepper; 1/4 teaspoon Urfa pepper; 1/4 teaspoon kizmiri pepper; Crispy Fried Eggplant; 2 large firm eggplants (about 1 to 1¼ pounds each); 4 tablespoons kosher salt, divided; 1 cup chickpea flour; 1/4 cup all-purpose flour; 1/4 cup of dry spices from the above Shawarma Spice mix, divided; 2 cups plain panko breadcrumbs; 5 large egg whites; 3 teaspoons water; 2 cups olive oil; 2 cups canola oil