Slow-cooker pork tostadas with pineapple salsa

onion, thinly sliced

garlic, thinly sliced

boneless shoulder pork joint, fat removed

Mexican spice blend

plain tortilla wraps

fresh pineapple, skin removed and finely diced

red onion, finely diced

red chilli, seeds removed, finely diced

lime, juiced

coriander, roughly chopped

little gem lettuce, shredded

soured cream