In a large mixing bowl, add the drained corn, southwest corn, sour cream, mayonnaise, and chopped green onions. Use a spatula to gently fold the ingredients together until they're thoroughly mixed, ensuring the sweet corn base and zesty flavors blend well.

Add the shredded cheese to the corn mixture, carefully folding it in until it’s evenly distributed.

If you prefer to serve your corn dip warm and melty, preheat your oven to 350°F. Transfer your combined mixture into a baking dish, spreading it evenly with a spatula.

Place the baking dish in the preheated oven and bake for 10-20 minutes. Keep an eye on your corn dip; it’s ready when the cheese is bubbling and lightly golden on top.

Once your corn dip reaches your desired level of melty goodness, remove it from the oven. Allow it to cool for a few moments before serving.