Step 1

Drain the tuna, reserving the oil. Blanch the French beans in boiling salted water for 1 minute, then refresh in cold water.

Step 2

In a large bowl, combine the French beans, tuna, cannellini beans, 1 tablespoon of the parsley and the onion. Toss well.

Step 3

Place the lemon juice, zest, lemon pepper, garlic and mustard in a separate bowl and season with salt. Slowly whisk in the reserved oil from the tuna and the olive oil. Check for seasoning.

Step 4

Pour the dressing over the bean mixture, add rocket leaves and toss to combine. Pile salad on serving plates and top with egg and reserved parsley.