Lots of options:

Spaghetti sauce
Taco meat
Meatballs
Dirty rice
Meat and vegetable soup

Patty melts
Scrambles
Can use it in stir fry type dishes
Pasta conglomerations

Invite the block over for tacos!!

Meatloaf
A lot of Thai stir-frys call for ground beef
Meatballs
Mix it with ground pork to make sausage
Ground beef is great for hot dog chili
Shepherds pie (I know it's usually made with ground lamb, but ground beef is a good substitute)
Moussaka

Hamburger helper dammit

And lots of it

Lasagna
Cabbage rolls
Stuffed peppers
Koftas

You could do several types of Picadillo recipes.

I make beef stroganoff with ground beef. Very easy and quick to make and if you make enough and its great as leftovers.

My mom used to make "mock fillets" where she'd make small, fillet sized hamburger "patties", wrap them in bacon, then broil (she didn't BBQ, and we didn't own a gas grill).

My mom made a concoction she called goulash (although I'm guessing it was an East Texas version of goulash rather than resembling anything Hungarian).

Start by boiling a cup of macaroni noodles.

In a large skillet saute an onion. In the same pan brown 2lbs of ground beef seasoning to taste. We'd always add salt, pepper, garlic powder, cayenne, paprica, and red flake. When my dad made it he loved sweet and spicy things so he'd even throw in a tbsp or two of brown sugar and extra cayenne or chili powder.

When that's almost done stir in a small can of stewed or diced tomatoes and a couple of scoops of tomato paste.

Stir it up and let all of that simmer for 10 minutes to tighten up and then stir in some of the noodles for filler. I always viewed it about 5 parts meet mixture and 1 part noodle.

You can improv it multiple ways and not screw it up. Sometimes I add other vegetables (bell, leftover broiled potatoes, carrot, celery), you can spice and flavor it however you want, etc.

My kids still love this dish every time I make it for them, and it only takes about 15-20 minutes (if the meat is already defrosted) so it's a quick easy comfort food meal on busy nights.

Generally known as American Goulash. It's actually got yankee roots and became popular in diners in the Northeast. Try adding a dash of cinnamon next time you make it

I wouldn't make Parisa at home with frozen and thawed ground beef. Maybe I'm too cautious, but I only do it with meat I buy and grind myself day of

Anyone else ever just cook up a batch of random **** using ground meat as the base? Maybe saute some veggies that need cooking, or perhaps a can or 2 of random stuff you have in the pantry and add it to the browned meat. Season it up however you're feeling like. Bold and spicy? Asian? Make a random stir fry over rice?

I do something like this fairly often with ground meat.