This is my current favorite. I’d estimate it at 4-5 parts black pepper and 1 part each of the others.
For a lemon pepper blend, I sub out the jalapeno powder with dried lemon peel and True Lemon powder. Sometimes I add dill when serving fish. I use this basic blend with more onion, plus garlic at the same rate as the pepper when making a meat rub…. do have favorite mixes or do you rely more on store-bought mixes?