Combine all ingredients except noodles and chard/spinach in a 3-to-5 quart crockpot. Cook on low for 8-10 hours or high for 4-5. Once that time has passed, stir in the chard/spinach, cover, and cook for 5 minutes.
Prepare noodles according to package directions.
To serve, put noodles into bowls and cover with soup. Can add cilantro or chili oil to garnish if desired.