One verse

Srimad Bhagavatam 10.88.17

10.88.17

इत्यादिष्टस्तमसुर उपाधावत् स्वगात्रत: । केदार आत्मक्रव्येण जुह्वानोऽग्निमुखं हरम् ॥ १७ ॥

ity ādiṣṭas tam asura upādhāvat sva-gātrataḥ kedāra ātma-kravyeṇa juhvāno gni-mukhaṁ haram

iti
thus
ādiṣṭaḥ
instructed
tam
him (Lord Śiva)
asuraḥ
the demon
upādhāvat
worshiped
sva
his own
gātrataḥ
from the bodily limbs
kedāre
at the holy place Kedāranātha
ātma
his own
kravyeṇa
with the flesh
juhvānaḥ
offering oblations
agni
the fire
mukham
whose mouth
haram
Lord Śiva

[Śukadeva Gosvāmī continued:] Thus advised, the demon proceeded to worship Lord Śiva at Kedāranātha by taking pieces of flesh from his own body and offering them as oblations into the sacred fire, which is Lord Śiva’s mouth.