In large saucepan, heat oil over medium-high heat. Add onion, kale and garlic; saute about 3 minutes. Add remaining ingredients, except beans. Bring liquid to simmer. Reduce heat and cook until kale and carrots are tender, about 10 minutes. Add beans and heat through. If desired, sprinkle with dried red-pepper flakes to add spice and as an optional garnish.
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