Nickel Diner Smac And Cheese

Name: Nickel Diner Smac And Cheese
Ingredients: 4 ounces butter, plus more for greasing the baking dish and keeping pasta from sticking; Salt; 1 pound large elbow macaroni; 4 ounces all-purpose flour; 4 cups milk; 2 ounces Dijon mustard; 12 ounces mozzarella, shredded; 24 ounces pepper jack cheese, shredded; 2 cups Parmesan, shredded; 1 tablespoon House Spice Mix, recipe follows; 5 dashes hot sauce, such as Tabasco; House-Roasted Tomatoes, recipe follows, seeds scooped out, cut into quarters; 1 cup Buttered Breadcrumbs, recipe follows; 1 cup kosher salt; 1 tablespoon cayenne pepper; 1 tablespoon ground guajillo chile; 1 tablespoon ground New Mexico chile; 1 tablespoon ground cumin; 1 tablespoon ground turmeric; 4 onion rolls, cut into 1/2-inch dice; 1 cup (2 sticks) butter; 3 tablespoons fresh Italian parsley, chopped; 1 tablespoon crushed garlic; 4 Roma tomatoes, halved; 2 tablespoons extra-virgin olive oil; 1 tablespoon garlic, sliced; 1 teaspoon kosher salt; Several grindings fresh black pepper; 1 sprig fresh thyme, leaves removed