Zucchini Taco Roll-Ups

extra-virgin olive oil

medium yellow onion, chopped

jalapeno, minced

ground beef

kosher salt

Taco Seasoning

grated Monterey jack, divided

grated cheddar, divided

sour cream

fire-roasted crushed tomatoes

medium zucchini, sliced ⅛” thick

Cilantro, chopped, for garnish