Preheat Oven: Set to 375°F (190°C). Lightly grease a 9x13-inch baking dish.
Mix Ingredients: In a large bowl, combine chicken, both types of corn, sour cream, mayo, spices, lime juice, cilantro, cotija, and half the shredded cheese. Season with salt and pepper.
Assemble: Spread mixture evenly in the baking dish. Top with remaining shredded cheese.
Bake: 20–25 minutes, uncovered, until bubbly and cheese melts.
Add Crunch: Sprinkle crushed tortilla chips on top and bake 5 more minutes to crisp.
Serve: Garnish with extra cilantro, cotija, and lime wedges. Enjoy warm!