Melt the butter in a large skillet over medium-high heat.
Add the corn and cook for about 5–7 minutes, stirring occasionally, until the corn becomes slightly charred and fragrant.
In a large mixing bowl, combine mayonnaise, sour cream, chili powder, smoked paprika, garlic powder, lime juice, and half of the Cotja cheese. Mix until smoothe.
Add the warm corn to the bowl with the sauce..
Stir in the cilantro, chopped jalapeno, and remaining Cotja cheese.
Mix everything together until it's evenly coated.
Transfer the dip to a serving bowl and top with chopped cilantro, Cotja cheese or a sprinkle of chili powder.
Serve with tortilla chips and enjoy!