Originally Posted by Kitsune Wiki

Fox spirits are said to be particularly fond of a fried sliced tofu called aburage, which is accordingly found in the noodle-based dishes kitsune udon and kitsune soba. Similarly, Inari-zushi is a type of sushi named for Inari that consists of rice-filled pouches of fried tofu.[45] There is speculation among folklorists as to whether another Shinto fox deity existed in the past. Foxes have long been worshipped as kami.[46]

Originally Posted by Inari Shrine Wiki

Inari-zushi, a Japanese sushi roll of rice-packed fried tofu, is another popular offering. Fried tofu is believed to be a favorite food of Japanese foxes, and an Inari-zushi roll has pointed corners that resemble fox ears, thus reinforcing the association