Step 1

Cook pasta in large saucepan of boiling water, uncovered, until tender; drain. Rinse pasta under cold water; drain.

Step 2

Meanwhile, boil, steam or microwave beans until just tender; drain. Rinse under cold water; drain.

Step 3

Drain tuna over small bowl; reserve oil for dressing. Flake tuna in large chunks with fork.

Step 4

To make lemon dressing, place ingredients with reserved oil in screw-top jar; shake well.

Step 5

Place pasta, beans and tuna in large bowl with dressing and remaining ingredients; toss gently to combine.