煮物（新じゃがいもの煮っころがし）｜オテル・ドゥ・ミクニさんのレシピ書き起こし

Fold the cookie sheet in 1/4 and cut it in half to make a triangle.
Align the tip with the center of the pan and cut off the excess along the sides of the pan.
Punch holes in several places and cut off the ends.

Put (A) in a pan and bring to a boil.
Add (B), spread butter (not listed) on the inside of 1, and simmer over low heat for about 25 minutes.

Turn 2 to high heat, add unsalted butter and simmer for 5-6 minutes.
Place on a plate and pour over the broth to complete.