Preheat oven to 400°F.
To a bowl, combine corn, mayonnaise, sour cream, lime juice, chili powder, cotija, cilantro, jalapenos, and optional cayenne powder or red pepper flakes, and red onion.
Mix together well and trasfer to a large skiller or any oven safe baking dish.
Bake for 10 to 12 minutes.
Then turn the oven to broil and roast on top for 2 to 4 minutes until golden and crispy.
Take out of the oven and serve warm with tortilla chips to enjoy!