01 -
Preheat oven to 375°F (190°C) and grease a mini muffin tin.
02 -
In a large bowl, mix ground beef, breadcrumbs, milk, egg, onion, garlic, salt, pepper, Worcestershire sauce, 1/4 cup ketchup, and mustard until well combined.
03 -
Scoop about 2 tablespoons of meat mixture, flatten it in your palm, place a cheese cube in the center, and roll into a ball. Place each ball in a muffin tin cup.
04 -
Mix the remaining 1/4 cup ketchup with a bit of mustard and spoon a small amount on top of each meatloaf bite.
05 -
Bake for 18-22 minutes until browned and cooked through. Internal temperature should reach 160°F.
06 -
Let cool for 5 minutes, garnish with chopped parsley if desired, and serve warm.