1 large onion
1 large russet potato
3-4 small -medium carrots
10 medium-length stalks of celery, washed well
3 tablespoons extra-virgin olive oil
2 cloves garlic, chopped
5 cups of lightly-flavored, great tasting, vegetable broth (or water)
2 cups cooked wild rice, brown rice, barley, or wheat berries

1/3 cup celery leaf pesto (optional, but see head notes)
Parmesan cheese, freshly grated (optional)