I hadn’t known about lucuma yogurt (or yoghurt) before seeing this in Lima. Wikipedia says it’s a popular ice cream flavour. I haven’t tried that, but the yogurt is great.
And speaking of added-value products of agrobiodiversity, how about this: potato chips (or crisps) from a whole range of different weird Peruvian high-altitude varieties:
Yummi! And what about the Sambucus peruviana (Sauco) marmalade that can be found both in Lima and in Ancash?