1 cup all-purpose flour
1 tbsp. coarse salt (Kosher or sea)
1 tsp. white pepper
Measure 1 level cup of flour and add it to the container.
Measure 1 level tablespoon of salt and add it to the container.
Measure 1 level teaspoon of white pepper and add it to the container.
Mix the ingredients, either by closing the lid of the container and shaking or stirring with a a small whisk or wooden spoon. Make sure the container is air- and water-tight and can hold at least one and one-half cups of mixture.
This mixture will keep for months as long as it is kept dry and away from light.