Step 1

Place basil and parsley in a heatproof bowl. Cover with boiling water. Set aside for 20 seconds. Drain and rinse under cold water. Squeeze out excess water. Process basil and parsley in a food processor until finely chopped. Add oil, water and half the lemon rind. Process to combine.

Step 2

Cook the pasta in a saucepan of salted boiling water until al dente, adding the asparagus in the last 2 minutes of cooking. Drain and return to the pan.

Step 3

Meanwhile, spray a frying pan with oil and heat over high heat. Cook the prawns, garlic, chilli and remaining lemon rind, stirring, for 3-4 minutes or until the prawns are golden and just cooked through.

Step 4

Add the prawns, basil oil and rocket to the pasta. Season and toss to combine.