Instant Pot Corn, Sweet Potato & Chipotle Soup

olive oil

medium red or white onion, diced

salt

corns on the cob, kernels shaved off with a knife (or 1 ½ cups of frozen corn kernels)

large sweet potato, diced into small cubes

 medium carrots, diced into small cubes

garlic, diced

peels of lime rind

cumin powder

coriander seeds (ground or whole crushed seeds)

chipotle chill flakes or 1 chipotle chilli, chopped up

(3 x 250 ml cups) vegetable stock

Juice of ½ lime

sliced red roasted peppers (pickled ones like these)

full-fat thick yoghurt or coconut yoghurt

chopped cilantro/coriander leaves

To serve: extra cilantro, yoghurt and fried shallots.