Baked Spaghetti "Zoodle" Casserole (THM: S, gluten-free, grain-free, sugar-free)

# ground beef

medium onion, diced

medium green bell pepper, diced

(4) medium zucchini, made into noodles using this (or a similar) gadget

no sugar added spaghetti sauce

eggs

Parmesan cheese

butter, melted and cooled

2 or 4 % cottage cheese

Italian seasoning

garlic powder

shredded mozzarella cheese, divided

sour cream