1 egg and then I wasn't sure whether to sprinkle it on the top or mix it in so I mixed the seasonings in. I only used a teaspoon of Italian seasoning and garlic powder but I think it could have been more. It said bake until the edges got brown but I let it get a little darker on the top too. I am so not a cook! So maybe you can figure it out better. So I guess it would be totally keto. There are no carbs in it at all. I guess you can use any combination of different grated cheeses. It is supposed to be kind of flat like a cheese bread so I mashed it down into a rectangle.