OK, I know meatloaf doesn’t scream healthy, but it’s not all that bad. Meat, vegetables and herbs baked together. You can use leftovers for sandwiches the next day. I’d stay away from the gravy though.
I always mix a pound of beef with a pound of pork. I add finely chopped celery, fresh parsley, lots of pressed garlic, unseasoned bread crumbs, 1 egg, I will grate a small onion which I know is labor intensive and some basil, a little oregano. Then get down and dirty, mixing it all with your fingers. Form in to a loaf and place in a baking dish.
You could put bacon strips on top, but it creates a lot of fat. Or BBQ, but that has a lot of sugar. I just leave it plain.
Pop in in the oven at 375 F for about an hour. Use a meat thermometer to be safe, should be around 160 degrees.