Place the oil, chopped leek, and half of the rosemary and half of the thyme into a large soup pot and heat over medium until the aromas and leek begin to blend and melt.
Add the hamburger to the leek and herbs and brown.
Next add the cabbage, zucchini, and carrots. Add a small amount of broth or water. Place a lid over the pot and let the vegetables steam.
Stir the vegetables every five minutes or so and add more broth or water as needed.
Add the remaining herbs, broth and diced tomatoes. Bring to a gentle simmer. Stirring occasionally, let cook for about 10 or 15 minutes for the herbs and tomatoes to soften and blend into the soup.
This recipe makes a fairly large pot of soup. We usually serve this soup with crackers and cheese.