Step 1

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

Step 2

Meanwhile, cut asparagus into 5cm lengths. Boil, steam or microwave asparagus until just tender; drain. Rinse under cold water; drain.

Step 3

Combine pasta and asparagus in large bowl with salmon, watercress and onion. Place remaining ingredients in screw-top jar; shake well.

Step 4

Drizzle dressing over pasta; toss gently to combine.