The easiest soup ever:

8-10 Big Tomatoes
1 whole Garlic
1 Red Onion
Salt and Pepper
Olive Oil
Oregano

Place all the above in a roasting pan, roast for 20 minutes, take out add veggie stock 1 pint and return to the oven, remove and then blend in the pot.

You may need to mess around with the amount of ingredients