Remilia states that she wants to eat something extraordinary, and leaves the task to Sakuya. Sakuya goes to the market, and sees a Remirya being auctioned. She finds out that they can be cooked, and learns the method.
1) Tear off the wings so they don't fly away. 2) Take off the hat and wash them. 3) Restrain them so they don't struggle and steam them.
She doesn't buy it, opting to catch one from the SDM instead. She finds a couple, stops time and abducts one of them, leaving the other one confused and in tears. She takes it to the basement, pulls off the wings, steams it alive (it screams a lot), cuts the meat into small pieces and wraps them with the skin. Remilia is quite pleased, and understands what the food is. She asks if Sakuya can make it again.
There's also an omake about how to make a bottled yukkuri.
-Put a newborn yukkuri into a bottle. It will complain, but as long as you feed it, it will opt to take it easy in there.
-After a while, it will start to grow, and complain more. Keep feeding it.
-When it reaches a certain size, it won't be able to move anymore. Tell it to move towards the neck of the bottle, grab it with your fingers and pull hard. When it screams, taunt it by saying "But if I don't pull so hard, I can't get you out". Then, make a small incision with a knife, and drink the bean paste.