Around 1868, the William Underwood Company (which was known originally for its mustard products, began experimenting with a new product created from ground ham blended with special seasonings. The process they dubbed "deviling," for cooking and preparing the ham, was new. Soon thereafter, the "Underwood devil" became synonymous with the processed ham product, and today the Underwood devil is the oldest existing trademark still in use in the United States.
Deviled Ham:
1/2 cup mayonnaise
1/4 cup mustard (Creole mustard)
1/2 cup onion, diced
2 tablespoon hot sauce (such as tabasco or sriracha), to taste
1 tablespoon Worcestershire sauce
1 teaspoons hot smoked paprika
¼ teaspoon dry mustard (optional)
Salt and pepper to taste
Combine all ingredients in a food processor or blender, and pulse until the desired texture is achieved and all ingredients are well mixed.