In a large soup pot, saute garlic and onions in the olive oil (or a little water) until translucent. Spread whole canned chilis out on a cutting board and cut into thin strips. Wearing rubber gloves, cut jalapeno chilis in half; remove and discard seedds. Dice jalapenos. Add peppers and all remaining ingredients except spices. Bring to a boil. Add spices and contine on low boil for 30 minutes. Reduce heat to simmer and simmer 30 minutes more. to serve, cut tortillas into thin strips, about 2x1/4". Ladle hot soup into bowls. garnish liberally with tortilla strips. May be sprinled with parmesan cheese, if desired.