Low-Carb Zucchini Enchilada Roll Ups

homemade enchilada sauce

large (14 oz each) zucchini, cut lengthwise into 12 (1/4-inch thick) slices

kosher salt

fresh black pepper,

olive oil

cooked shredded chicken breast (from rotisserie chicken)

minced onion

large clove garlic, minced

chopped cilantro, plus more for garnish

cumin

dried oregano

chipotle chili powder

shredded Mexican cheese blend

sour cream, optional