秘ひ方ほう

noun

secret method; secret recipe; secret formula

Refers to a confidential technique, recipe, or formula, often in traditional arts, cooking, or medicine. The word is somewhat formal and not an everyday term.

• この薬くすりの調ちょう合ごうは代だい々だい伝つたわる秘ひ方ほうだ。

  The preparation of this medicine is a secret formula passed down for generations.

• 料りょう理り人にんにしか教おしえない秘ひ方ほうのレシピがある。

  There is a secret recipe that is only taught to the chefs.