Speedy tuna, lemon and bean pasta

Method

• 1
  Cook pasta in a saucepan of boiling, salted water following packet directions until tender, adding beans for the last 3 minutes. Drain, reserving 1/4 cup cooking liquid.
• 2
  Meanwhile, heat oil in a large, deep frying pan over medium-high heat. Add garlic, onion and lemon rind. Cook for 1 minute or until fragrant. Add tuna. Cook for 1 minute or until heated through. Add pasta, beans, parsley, lemon juice and reserved cooking liquid. Cook, tossing for 2 to 3 minutes or until heated through. Season with salt and pepper. Serve topped with parmesan.