1. Prepare the asparagus by trimming off the thick bottom of the stalk. 
2. Steam the asparagus until they are just cooked.
3. Heat the butter in a large frying pan and add the asparagus to the pan, toss to coat with the butter.
4. Add the juice of half a lemon.
5. Garnish with the rind of 1 lemon and season with salt and pepper.

Tip: Fresh is best! Asparagus is typically in season in New Zealand in spring and early summer.