Easy Crockpot Spaghetti Casserole

lbs ground chuck (80/20 is what I use)

medium yellow onion, chopped

garlic, minced

jar of marinara sauce, your favorite brand

of fire roasted diced tomatoes

water

dried Italian seasoning

balsamic vinegar

dried thyme

dried basil

dried oregano

kosher salt

black pepper

sugar, to counteract the acidity of the canned tomatoes

dried spaghetti pasta, broken into thirds

shredded mozzarella cheese

fresh parsley or basil, minced, (for garnish)

freshly grated Parmesan cheese, (for garnish)