Brown Sugar and Chili-Rubbed Salmon with Avocado Crema

ripe avocado, peeled and pitted

sour cream

fresh lime juice

garlic clove

packed fresh flat-leaf parsley (*I used cilantro – fresh basil would also be great!)

kosher salt

packed light (or dark) brown sugar

chili powder

kosher salt

cayenne pepper

salmon filets, preferably wild

extra virgin olive oil

lime, thinly sliced into rounds