Place beets, carrots, onion, and frozen black beans in a large pot on the stove over med-med-low heat. Allow vegetables to soften while beans warm.
Add remaining beans, stock, and bratwurst (if desired).
Season with a little gingerand cilantro, and generously with chili powder, paprika, and cinnamon, checking often for flavor balance.
Keep on medium heat until boiling, cover, and reduce heat to simmer while flavors mix and mellow.
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