Get the brown butter hot and add the garlic. Cook until lightly browned. Add the pine nuts, blanched asparagus and chickpeas. Season with salt, keep warm.
In a separate pot, gently warm the yogurt with the nettles and season.
To assemble:
Scatter pita chips in the bottom of a dish. Pour the warm nettle yogurt over the chips and top with the asparagus and chickpeas. Garnish with parsley and serve.