Blackened Fish Tacos with Pineapple Cucumber Slaw

tilapia ((I use 4 5 oz. fillets))

6-inch corn tortillas, warmed

Mexican cheese blend, more or less

olive oil, divided

butter

olive oil

lime juice

reduced sodium soy sauce

Spice Rub ((in directions))

EACH ancho chili powder, brown sugar

EACH smoked paprika, ground cumin, garlic pwdr, onion pwdr, salt

EACH dried oregano, pepper

cayenne pepper ((optional))

chopped fresh pineapple

thinly sliced red cabbage

medium cucumber, peeled and chopped

chopped red onion

loosely packed cilantro, chopped

lime juice

salt and pepper (to taste)

medium avocado

sour cream

mayonnaise

lime juice

salt

ground cumin

garlic powder