01 -
Set the oven to 350°F (175°C) and allow it to fully preheat.
02 -
In a large mixing bowl, combine ground beef, ground pork, breadcrumbs, chopped onion, minced garlic, whole milk, eggs, salt, and black pepper. Mix until just combined.
03 -
On a lined baking sheet, shape half of the meat mixture into a loaf, creating a well in the center for filling.
04 -
In a separate bowl, mix the cooked macaroni with shredded cheddar cheese until evenly combined.
05 -
Spoon the macaroni and cheese mixture into the well in the base meat layer, spreading evenly.
06 -
Cover the filling with the remaining meat mixture, pressing gently to form a cohesive loaf and completely encase the macaroni and cheese.
07 -
In a small bowl, stir together barbecue sauce and maple syrup until fully blended.
08 -
Brush the entire surface of the meatloaf with the maple barbecue glaze.
09 -
Bake on the center rack for 60 minutes, or until the internal temperature reaches 160°F (70°C) as measured by a food thermometer.
10 -
Allow the meatloaf to rest for 10 minutes before slicing. Serve warm.