Set your oven to 350°F (175°C).
Grease your 9x13 inch baking dish lightly.
Combine melted butter and beaten eggs in your bowl.
Add sour cream and mix well.
Pour in both cans of corn.
Stir everything together gently.
Add the corn muffin mix to the bowl.
Sprinkle in salt and pepper.
Mix until just combined, don't overmix.
Fold in the shredded cheddar cheese.
Reserve some cheese for topping if desired.
Pour mixture into your prepared baking dish.
Spread it evenly with a spatula.
Bake for 45-50 minutes until golden brown.
The center should be set, not jiggly.
Let it cool for 10 minutes.
Cut into squares and enjoy!