It is best to use a small food processor to ensure the blade can reach the ingredients, although a larger one will still work.
I love to use jars like this to store the flavored salts in, but you can also use empty spice containers. These jars would fit approximately half of one batch of salt.
Use a microplane for easy zesting.
If you do not have lemon pepper, you can substitute for regular, black pepper and increase the amount of lemon zest to one whole lemon.