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PrepZone
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Beginner · 2 weeks

Recipe Management API

Store recipes with ingredients (quantity, unit), steps, cuisine type, and prep time. Search by ingredient or cuisine. Users save favorite recipes. Scale ingredient quantities for different serving sizes.

Why this project

Ingredient lists with quantities exercise OneToMany and embedded value types. Scaling logic is a fun algorithm question.

Tech stack

Java 17Spring Boot 3Spring Data JPAPostgreSQL@Embeddable

Skills demonstrated

  • Composite value types
  • Collection mapping
  • Business calculation
  • Favorites feature

Interview talking points

  • Ingredient as @Embeddable vs separate entity
  • Scaling algorithm for serving size
  • Search recipes containing an ingredient (JOIN query)
  • Cascade delete rules for recipe ingredients

Problem statement

Store recipes with ingredients (quantity, unit), steps, cuisine type, and prep time. Search by ingredient or cuisine. Users save favorite recipes. Scale ingredient quantities for different serving sizes.