In a large, non-stick skillet, saute onion & garlic in 1/4 c. Broth. Add Rotel tomatoes, pureed tomatoes, chicken broth, chiles, seasonings. Add chicken & heat to boiling. Reduce heat & simmer 20-30 minutes. Add tortilla strips & simmer 15 min more. Garnish with fat-free sour cream and grated fat-free cheese. Busted by sooz