Preheat Oven and Prepare Dish: Preheat your oven to 350°F (175°C). Grease a 9×13-inch baking dish.
Mix Ingredients: In a large bowl, combine cornbread mix, creamed corn, sour cream, melted butter, shredded cheddar cheese, and salt. Stir until well blended.
Pour and Smooth: Pour the mixture into the prepared baking dish and smooth the top with a spatula.
Bake: Bake for 40–45 minutes, or until the casserole is golden brown on top and a toothpick inserted in the center comes out clean.
Cool and Serve: Let the casserole cool for a few minutes before serving.
