The Rev Ejs Pork Steak Poboy

Name: The Rev. Ej's Pork Steak Po'boy
Ingredients: 1 cup dark brown sugar; 1/4 cup kosher salt; 4 tablespoons fresh ground black pepper; 2 tablespoons celery seed; 2 tablespoons onion powder; 2 tablespoons mustard seeds; 2 tablespoons all-spice; 2 tablespoons dark chile powder; 2 teaspoons cayenne; 4 to 8 Boneless Boston Butt Steaks cut no more than a 1/2 inch thick; 1/2 cup kosher salt, if you use table salt use a 1/3 of a cup; 1/4 cup dark brown sugar; 32 ounces ice water, cubes still in it; 32 ounces really hot tap water; 2 loaves of crusty, airy French bread; 1 head of roasted garlic, roasted till tender; 1 tablespoon creole mustard of your choice; 1/2 cup mayonnaise; kosher salt and fresh ground pepper; bread and butter pickles; 4 cups shredded romaine; unsalted butter, softened