8-Layer Healthy California Nachos

medium-size whole wheat tortillas

Sunflower oil or olive oil

Salt and pepper

bag of frozen corn, defrosted and pat dried

black beans, rinsed

grape/cherry tomatoes, quartered

small red onion, finely chopped

big handful fresh cilantro, rinsed and roughly chopped

Juice from 1 lime, divided

ripe avocado

Greek yogurt

feta or cojita cheese

Small can of pickled jalapeño slices (optional)