Preparation:
1. Heat olive oil in a medium skillet over low heat; stir in onion and gar sauté 2 minutes (garlic shouldn't brown and onion should be slightly crunch Remove from heat; add tuna, lemon juice, parsley, lemon zest, oregano, and black pepper.
2. Cook the shells in plenty of boiling salted water for 5 minutes; add the broccoli; cook until pasta is al dente and broccoli is tender, 5 to 7 minutes longer.
3. Remove 1/4 cup of the pasta cooking water and add to tuna sauce. Drain pasta; toss with tuna mixture and serve at once |