A set of instructions and ingredients for preparing a dish; a cooking formula.
母のレシピでそのケーキを作ったら、とてもおいしくできた。
I used my mother's recipe to make that cake and it turned out very delicious.
このレシピは分量が細かく書いてあるので初心者でも失敗しにくい。
This recipe lists measurements in detail, so even beginners are unlikely to fail.
健康志向に合わせて、レシピの材料を低カロリーのものに替えた。
I changed the ingredients in the recipe to lower-calorie ones to suit a health-conscious diet.
In medical contexts, sometimes used (informally) to mean a prescription or directions for medication; formal term is 処方箋 (prescription).
先生がレシピを書いてくれたので、薬局で受け取った。
The doctor wrote a prescription for me, so I picked it up at the pharmacy.
薬のレシピは必ず説明をよく読んでから服用すること。
Always read the prescription instructions carefully before taking medication.
A how-to guide or set of instructions for non-culinary activities (crafts, software, DIY), i.e., a recipe for doing something.
編み物の基本レシピを見て、マフラーを作り始めた。
I looked at a basic knitting how-to and started making a scarf.
このウェブサイトにはコーヒーの淹れ方のレシピだけでなく器具の選び方も載っている。
This website not only has recipes for brewing coffee but also information on choosing equipment.