Step 3 of 8
Combine the beef, onion mixture, parsley, egg, breadcrumbs, and a portion of the fontina cheese in a large mixing bowl, saving some cheese for later. Season with salt, pepper, and cayenne, then blend by hand until just combined. Distribute the mixture into 24 mini muffin wells; it is not necessary for the meatballs to be perfectly round.
I cooked these for a Super Bowl party and they were a major hit! I’m absolutely planning to make them again.
I didn't change anything, except I used standard dinner rolls.