A delightful and easy-to-make baked egg dish, perfect for brunch or a quick dinner.
Preheat your oven to 325°F (165°C).
Ensure the oven is fully preheated for even cooking.
Grease a medium-sized baking dish with cooking spray or butter.
Use a non-stick spray for easier cleanup.
In a mixing bowl, beat the eggs until well combined.
Whisk the eggs thoroughly to incorporate air for a fluffier texture.
Add the milk, seasoned salt, and minced onion to the eggs, and mix well.
Mix until the ingredients are evenly distributed.
Stir in the shredded cheddar cheese.
Reserve a small amount of cheese to sprinkle on top for a golden crust.
Pour the mixture into the prepared baking dish.
Tap the dish gently on the counter to remove air bubbles.
Bake in the preheated oven for 40-45 minutes, or until the eggs are set and the top is golden brown.
Check doneness by inserting a knife into the center; it should come out clean.
Let the casserole cool slightly before cutting into squares and serving.
Allowing it to cool helps it set and makes slicing easier.