In a large stock pot, over med-high heat, boil chicken, onion, cumin, thyme, bay leaf, garlic and salt. Reduce heat and simmer for 15 minutes. Remove the breasts, dice. To the liquid add chilies and hominy. Return to boil and simmer 15 minutes, uncovered. Return Chicken to the pot, simmer uncovered for 3 to 5 minutes. Remove from heat, add cilantro. Serve with avocado, scallions and/or tortilla chips.