01 -
Set oven to 190°C. Grease a 23x33 cm baking dish or line with parchment paper.
02 -
In a large bowl, whisk together eggs, milk, and sour cream until smooth.
03 -
Add corn muffin mix, shredded cheddar, sweet corn, green onions, jalapeños, garlic powder, onion powder, salt, and black pepper to the wet ingredients.
04 -
Stir gently until just combined; avoid overmixing for best texture.
05 -
Pour batter into prepared dish and spread evenly with a spatula.
06 -
Bake on centre rack for 35–40 minutes, or until the surface is golden and a toothpick inserted comes out mostly clean with a few moist crumbs.
07 -
Let cool for 10 minutes before slicing. Serve warm as a side dish.