5cupsthinly-sliced kale(thick stems removed before slicing) or other greens**
salt and pepper, to taste
Cook the pasta in plenty of boiling water until tender. Drain.
Sauté onion in a large non-stick pot until translucent. Add remaining ingredients, as well as cooked pasta. Simmer for 15 minutes, stirring occasionally. Serve hot.
*This is chili powder, not pepper, a mixture of mild chili peppers and cumin that adds no heat to the dish. If you want it spicy, add cayenne or additional chipotle chili powder.**If you use a faster-cooking green such as spinach, add it during the last 3 minutes of cooking.