Seijo ja Nakatta node, Oukyuu de Nonbiri Gohan wo Tsukuru Koto ni Shimashita

Rina was summoned to another world to be the Saint, but was surprised at how bad the food tasted. It tastes like this even at the royal palace...? I'll just make it myself, so give me your kitchen! Relieved of her Saint duties, Rina wins the heart and stomachs of the nobles through her food!