Any firm, underripe tomato can be used in this recipe. A well-seasoned cast-iron skillet is ideal for frying the tomato slices. We prefer a fine-textured cornmeal for this recipe; coarser cornmeal will make the coating excessively crunchy. 2 1/2 cups unbleached all-purpose flour 1 1/2 cups fine-ground white or yellow cornmeal such as Quaker Salt and ground black pepper 1/4 teaspoon cayenne pepper 1 large egg 1 cup buttermilk 1 teaspoon baking powder 1/2 teaspoon baking soda 2 medium green tomatoes (about 12 ounces each), cored and sliced 1/4-inch thick (for a total of 12 to 14 slices) 1 1/2 - 2 cups vegetable oil Instructions 1.1. Measure 1 cup flour into a large shallow dish. Measure remaining 1 1/2 cups flour, cornmeal, 1 tablespoon salt, 1 teaspoon pepper, and cayenne into a second large shallow dish. Beat the egg, buttermilk, baking powder, and baking soda in a medium bowl (mixture will bubble and foam). 2.2. Working with several slices at a time, drop the tomatoes in the ...