01 -
Preheat the oven to 375°F. Grease a 9x13-inch baking dish well with cooking spray or olive oil.
02 -
In a large bowl, whisk the eggs until the yolks and whites are fully combined.
03 -
Whisk in the cottage cheese, milk, Dijon, garlic powder, salt, and black pepper. For a smoother texture, blend the cottage cheese and milk first, then whisk them into the eggs.
04 -
Stir in the cheddar, 2 tablespoons of the Parmesan, chopped spinach, and green onions until evenly mixed.
05 -
Pour the mixture into the prepared baking dish. Sprinkle with the remaining Parmesan and bake uncovered for 32-38 minutes, until the edges are golden and the center is set.
06 -
Let the egg bake rest for 10-15 minutes before slicing into 8 squares. Serve warm, room temperature, or chilled for meal prep.