Combine collards with broth in nonaluminum pot. Simmer, covered, until tender but not mushy. Timing will vary, but 35 minutes is average.
Heat 2 tablespoons butter in large skillet; stir in onion and garlic. Soften slightly over moderate heat. Add ginger and jalapeño and stir for a moment.
Add collards and stir over moderate heat until liquid has almo