Mojo Steak Tacos

skirt steak ((or similar, thin-cut steak))

flour tortillas (taco-size)

avocado, (sliced)

small white onion, (diced)

cilantro (about 1/3 cup packed), (roughly chopped)

jalapeno, thinly sliced or minced ((optional))

thinly sliced cabbage

cotija cheese (optional)

juice of 1 orange (about 1/4 cup)

juice of 2 limes ((about 2 tablespoons, plus additional lime wedges for serving))

minced garlic

salt

cumin

chili powder

oil