I am not a vegetarian but my girlfriend is and so I cook vegetarian dishes a great deal. I always use my own veggie stock and have settled on the veggie stock in Second Helpings from the Union Square Café (one of my favorite cookbooks). There is a TON of stuff in their stock including Savoy cabbage, butter lettuce, potato, tomato, and parsnip (the ingredient that I think really makes this stock great).
I like this one a lot but am always looking for a better one. I was wondering what recipes people use. If you make it up your self what items do you use in the stock and what do you avoid? Any interesting techniques used?