A staple in Southern homes, potato sandwiches were favored by mothers like my own. You can use any leftover potatoes, hash browns or make Baked Red Potato Slices (page 168).
Coat one side of bread slices with mustard or mayonnaise. Layer ingredients and serve.
Choose the best quality, vegan bread you can find; the bread is important to create a wonderful sandwich. Ask your baker if the bread contains dairy or egg products, as many do.