01 -
Preheat oven to 375°F. Grease a 9-inch pie dish or equivalent baking dish with butter or nonstick spray.
02 -
Melt butter in a large skillet over medium heat. Add diced yellow onion and cook for about 3 minutes until translucent.
03 -
Add sliced mushrooms to the skillet and sauté for an additional 3 to 4 minutes until softened and lightly browned.
04 -
Incorporate sweet corn kernels and thinly sliced zucchini into the skillet. Season with dried basil, dried oregano, and salt. Continue cooking, stirring occasionally, for 6 to 8 minutes until vegetables are tender and excess moisture is reduced.
05 -
Remove the skillet from heat and let the cooked vegetables cool slightly for a few minutes.
06 -
In a large mixing bowl, whisk together the beaten eggs and shredded cheese. Fold in the cooled vegetable mixture and stir until all components are evenly distributed.
07 -
Transfer the mixture to the prepared baking dish, smoothing it into an even layer. Bake for 30 to 35 minutes or until set and lightly golden on the surface.
08 -
Allow the pie to cool for at least 10 minutes before slicing and serving.