Shopping for some cereal?

The crossword question “Shopping for some cereal?” is PICKINGONESBRAN? is asking for a phrase that means shopping for cereal. The answer to this question is “picking one’s bran.” This phrase refers to the process of selecting a bran cereal from the many options available in a grocery store. Bran is a popular ingredient in cereal as it is high in fiber and helps with digestion. Therefore, “picking one’s bran” means selecting the best cereal that will provide the most nutritional benefits to the individual.