Remove
ribs and stems from kale / Cook in large pot of boiling salted water, uncovered, just until tender, 5 to 8 minutes / Remove kale from water with tongs, chop and add to onions, along with cooked lentils / Bring the kale - cooking liquid back to a boil, add pasta and cook for recommended time until al dente / Drain pasta, reserving about 1 cup of the cooking liquid / Add pasta to lentil, onion, kale
mixture along with 1/3 to 1/2 cup pasta cooking liquid / Cook
over high heat, tossing together for a minute or two / Add salt & pepper to taste / Top with grated parmesan cheese and serve.