"Beef Zucchini Enchiladas from Delish.com makes the perfect low-carb dinner...."
extra-virgin olive oil
large onion, chopped
Kosher salt
Freshly ground black pepper
cloves garlic, minced
ground beef
chili powder
cumin
red enchilada sauce, divided
large zucchini, halved lengthwise
shredded Monterey jack
shredded cheddar
Sour cream, for drizzling
Freshly chopped cilantro, for serving