Preheat oven to 350°F.
Add the oil to a large skillet set over medium-high heat.
1 tablespoon olive oil
Once heated, add in the corn and sprinkle with salt. Cook, flipping the corn occasionally, until slightly charred, about 7-8 minutes
2½ cups corn kernels, ½ teaspoon kosher salt
Transfer the corn to a large bowl and stir in the onion, jalapeños, and garlic.
¼ cup chopped red onion, 2 jalapeño peppers, 1 clove garlic
Create a base layer of chips on a baking sheet.
18 ounces tortilla chips
Spread the shredded cheese over the chips.
2 cups shredded Mexican cheese
Bake in the oven for 5-6 minutes until the cheese has melted.
While the chips are in the oven, combine 1 tablespoon cotija cheese, mayonnaise, sour cream, lime juice, and the chili powder. Whisk in a couple tablespoons of water to thin out the mixture.
3 tablespoons cotija cheese, ¼ cup mayonnaise, ¼ cup sour cream, 1 lime, 1 teaspoon chili powder
When the nachos are finished baking, layer on the corn mixture, and drizzle the creamy sauce over the nachos.
Top with cilantro and the remaining cotija cheese.
¼ cup chopped fresh cilantro