Product design question
Design an app for making someone a better cook.
- Lyft
- Product design
- Medium
Practice this question out loud. An AI interviewer asks it, follows up like a real interviewer would, and scores your answer. Type or speak.
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What this question tests
Tests product design for a skill-building app: identifying the real barrier to improvement, feedback and confidence, not recipe access.
How to approach it
- Segment the user: home cooks who already cook but plateau in skill, not complete beginners; state this choice.
- Identify the real barrier: recipes are already free and abundant; what's missing is real-time feedback when technique goes wrong.
- Propose the core mechanism: a guided cooking mode with photo check-ins at key steps, comparing the user's result to a reference.
- Add a progression system tracking technique mastery (knife skills, sauces, seasoning) over time, not just dishes cooked.
- Address motivation with small, achievable weekly challenges rather than an endless open recipe library, which reduces follow-through.
- Define success as challenge completion rate and rising cooking-session frequency, signaling real improvement, not one-off use.
What a strong answer includes
- Diagnoses the real bottleneck (feedback and confidence, not recipes), showing sharper insight than most competitors offer.
- Proposes a concrete feedback mechanism (photo check-ins vs reference technique), not a vague 'AI cooking assistant.'
- Adds a mastery/progression system directly tied to the stated goal of becoming 'a better cook.'
- Chooses structured challenges over unlimited browsing, addressing a known motivation problem in skill apps.
Common mistakes
- Building another recipe database, missing that access isn't the actual barrier.
- No feedback loop to measure technique improvement over time.
- Defining success as recipes viewed or saved, which doesn't measure skill growth.
Likely follow-up questions
- How would you verify technique from a photo without costly image recognition?
- How would you keep users motivated past the first few weeks?
- How would this differ for an intermediate cook versus a beginner?
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Learn the skill behind it
Chapters of the AI PM course that teach what this question tests.
- Chapter 4: Discovery and strategy for AI products
- Chapter 7: AI UX and human oversight: design for a system that is wrong sometimes
- Chapter 14: Get the job: the AI PM interview loop