Enoch Dainibutai no Ensei Gohan

Despite being born as a Fore Elf—one of the "beautiful creatures that inhabit the forest"—young Mell Risurisu suffers from poverty, a total lack of skills, and no magic powers whatsoever at her disposal. Determined to save her beloved little sisters from a life of hardship, Mell decides to join Enoch—the royal order of knights. Upon being assigned as a field medic to the Second Expeditionary Squadron, which boasts only four members to its name, she's shocked to discover...

Bread as hard as stone and rubbery jerky made of mystery meat?!

This simply won't do! Medic Risurisu's knowledge as a child of the forest is her greatest weapon in the battle for delicious food on the go!

(Source: Cross Infinite World)