Likutei Moharan, Part II 83:10/ליקוטי מוהר"ן·תנינא פ״ג:י׳

110. Now, when the Holy Blessed One wants to sample a taste of the positive mitzvot performed by a Jew who is a tzaddik, that corresponds to the limb of a living creature, which may not be eaten and requires ritual slaughter to permit it. A person therefore has to experience embarrassment, which is spilled blood, a form of ritual slaughter, which makes a living creature’s limb fit for consumption. God can then taste his positive mitzvot, be it a single positive mitzvah or many mitzvot. For the mitzvot are called “a tasty dish,” as it is written, “Then prepare a tasty dish for me, the way I love it” (Genesis 27:4)—from the positive mitzvot, as is brought (Tikkuney Zohar #21, p.51a). And when his blood is spilled through embarrassment, he must then be careful to keep the known external forces who would draw energy from this spilled blood from doing so. It must therefore be covered—the Divine Presence covers Israel’s spilled blood with this love, the concept of “the way I love.” This is the concept of covering-the-blood.