What Did You Eat Yesterday? manga volume 4 features story and art by Fumi Yoshinaga.

Shiro turns down an offer to become a celebrity and Kenji's culinary adventures are reprised.

This volume includes recipes for shrimp and turnips in rich sauce, hamburgers in mushroom sauce, leek consomme, caramel simmered apples on toast, hot soba, rolled omelets, ginger pork with heaps of onions, and spaghetti napolitan.