Get Ready to Bake: Preheat your oven to 350°F and grease a 9x13 or deep 9x9 baking dish with a bit of butter. Set it aside, your masterpiece needs a good foundation! 2. Cook the Onions ...

Preheat oven to 450 degrees. Prepare a 9x9" baking dish with 1 stick of butter. Place the dish into the oven as it is preheating, to melt the butter. You can also melt the butter in the microwave ...