01 -
Boil elbow macaroni until just al dente. Drain and set aside.
02 -
In a saucepan, melt butter and whisk in flour. Cook for 1 minute, then slowly add milk, whisking constantly until smooth. Simmer until thickened, then stir in cheddar, mustard (if using), salt, and pepper.
03 -
In a mixing bowl, combine pasta, pulled pork, BBQ sauce, and cheese sauce. Mix well and transfer to a greased baking dish.
04 -
Sprinkle extra cheddar and breadcrumbs on top.
05 -
Bake at 190°C (375°F) for 20–25 minutes, until golden and bubbly.