In a large soup pot, heat up a couple tablespoons of olive oil.
Saute the onion until it browns, stirring frequently.
Add the garlic and stir to mix, letting saute for about 20 seconds.
Add the sausage and let cook until it begins to brown.
Add the ground beef, breaking up fine. Add half the spice mix and stir to mix. Cook until beef has browned.
Add the crushed tomatoes and the beef and vegetable stocks, stir to mix.
Let simmer 20 minutes.
Add the zucchini and fresh oregano.
Adjust salt content if needed and let simmer for another 15 minutes.