Italian Wedding soup isn't traditionally served at weddings. Its a mistranslation from Italian to English. It basically means a wedding of flavour between the vegetables and the meat. :)

Italian Wedding Soup is named for the wedding of boeuf and chicken flavours

My Italian Aunt says it is called Wedding Soup for the 2 people being married. There should be 2 of most of the ingredients. 2 onions, 2 cloves garlic, 2 cans broth, 2 eggs, 2 pkgs. of spinach, etc.

I came up with my own:

3 cans condensed tomato soup
3 cans water
1/4 cup good cold-press olive oil
A handful kale, broken small
1 cup prepared mac 'n cheese
1/2 onion
1 tsp. kosher salt
Italian seasonings
1 tsp. minced garlic
1 tsp. dried, ground jalapenos
1 pecan-smoked beef sausage, sliced thin
1/4 cup minced broccoli
2 minced baby carrots
1/4 cup chopped celery - including leaves

Bring all ingredients to a boil. Cook over medium heat until vegetables are tender, about 20-25 minutes. Enjoy with grilled cheese sandwiches!

I live in Boston (large Italian population). Traditional Italian Wedding Soup does not contain Orzo or any pasta for that matter. I did like the combination of the beef and chicken stock it made for a richer soup. All in all it was very tasty.