01 -
Set your oven to 375°F (190°C). Cover a baking sheet with parchment paper.
02 -
Combine beef, egg, breadcrumbs, milk, onion, garlic, seasonings, Worcestershire, and parsley in a big mixing bowl. Mix until it's even.
03 -
Grab a bit of the mixture, press it flat, pop in some cheese, then wrap it up into a ball. Do this with all of it.
04 -
Mix mustard and ketchup in a little bowl. Coat the meatloaf bites by brushing this on.
05 -
Let them bake for about 25-30 minutes until they're fully done and caramelized on top.
06 -
Sprinkle some extra parsley on top before serving. Enjoy warm as is or with other dishes.