Instructions

  1. In a large pot of boiling water, cook the pasta until tender but firm.
  2. Drain and return to pot.
  3. Meanwhile, in a saucepan, melt butter over medium heat; add the onion and cook until tender.
  4. Stir in the flour and cook for a few seconds.
  5. Gradually whisk in the milk and bring to a simmer, stirring constantly until simmering and thickened.
  6. Add the peas, tuna (broken into chunks), parsley, green onions, cheese, and hot pepper sauce.
  7. Pour over the pasta and stir gently to mix.
  8. Serve immediately.