Basically, you can use as much eggs, avocado and bacon as you want.
I like to add some low carb ketchup and mayonnaise on the side too, but it is not mandatory.
You may also spice this dish up by adding dried chili flakes.
If you want the meal to be more saturating you could also add some shredded cheese before putting the baking tray into the oven. Gouda or cheddar cheese would fit pretty well.