Combine the breadcrumbs and water in a mixing bowl, then put the mixture aside.
1
Put the onion, garlic, salt, pepper, Italian seasoning, egg, cheese, beef, and egg in a big bowl.
2
Mix the items together with your hands. Add the bread crumbs to the meat mixture and mix them together.
3
Form the meat into balls about two inches in diameter.
4
When the slow cooker is ready, pour in the marinara sauce.
5
Spread the meatballs out in a layer on top of the sauce.
6
There are two different cooking times: four hours on the "low" setting and two hours on the "high" option.
7
The meatballs and marinara should be served as soon as possible, if preferred.
8