Step 1

Cook the pasta in a large saucepan of salted boiling water until al dente. Drain.

Step 2

Meanwhile, heat half the oil in a frying pan over high heat. Cook the prawns for 1-2 minutes each side or until they curl and change colour. Transfer to a plate. Add the remaining oil to the pan. Reduce heat to medium. Cook the leek, stirring, for 4 minutes or until soft. Add the garlic and cook, stirring, for 1 minute or until aromatic. Add the corn and stock. Cook, stirring, for 1-2 minutes or until the corn is tender. Add the prawns, lemon juice and lemon rind. Cook for 1 minute or until the mixture is heated through.

Step 3

Add the pasta and rocket and toss to combine. Divide among serving bowls.