酢漬け（新玉ねぎの酢玉ねぎ）｜飲食店独立学校 /こうせい校長さんのレシピ書き起こし

Put a heat-resistant container and water (not included in the recipe) in a pot and bring to a boil.
After boiling, turn heat to medium and simmer for 5 minutes.
Place on a tray lined with kitchen paper and let dry naturally.

Peel the onion, cut off the ends and remove the core.
Slice one onion along the grain into 2-3mm pieces.
Slice the remaining onion perpendicular to the grain.
Place the chopped onions in a bowl.
Transfer the bowl of onions to a heat-resistant container.

Add water and kelp to a pot and leave to soak for at least an hour.
Place pot over medium heat.
Remove the kelp just before it comes to a boil.
When the water temperature reaches 85°C, turn off the heat, add the bonito flakes and let sit for 1 to 5 minutes.
Strain through a colander lined with kitchen paper and return to the pot.

鍋に3の合わせ出汁と(A)を入れ沸騰させる。

2の玉ねぎの入った耐熱容器に3の出汁酢を入れる。
ラップをかけ粗熱を取る。
耐熱容器に蓋をして1日冷蔵庫で寝かせて完成。