Real-World Builds
April 23, 2026
3 min read
Chris Johnston

How AI Designed a Smoothie Menu for a Restaurant

A restaurant owner asked AI to create 10 smoothies in rainbow colors using minimal ingredients. 14 ingredients, 10 smoothies, all the colors.
Share this article:
Neo-print illustration: rainbow spectrum of ten smoothie glass silhouettes in a line with minimal ingredient grid below showing only fourteen items

14 ingredients. 10 smoothies. Every color of the rainbow.

Quick Answer

A restaurant owner used AI to design 10 smoothies in rainbow colors using only 14 unique ingredients — optimizing for color, flavor, and cost efficiency in a single conversation. No food scientist or consultant required. AI excels at optimization problems with multiple constraints.

This is one of our favorite stories from The Vibe Jam because it has nothing to do with code and everything to do with how AI changes the way you think about problems.

What Was the Smoothie Menu Challenge?

A community member who runs a restaurant wanted a new smoothie menu. The constraints:

  • 10 smoothies
  • Each one a different color of the rainbow
  • Minimal unique ingredients (to keep inventory simple and costs low)
  • They all have to taste good

That's a complex optimization problem. Color, flavor, ingredient overlap, cost efficiency -- a human menu designer might spend days iterating.

The AI Solution

They gave the constraints to AI and asked it to design the menu.

The result: 14 unique ingredients that, combined in different ways, produced 10 smoothies covering the full color spectrum. Each recipe was optimized for both visual appeal and flavor balance.

No food scientist. No consultant. No weeks of recipe testing. One conversation.

Practical Tip

AI excels at optimization problems with multiple constraints. Anytime you're trying to maximize one thing while minimizing another -- like flavor variety versus ingredient count -- frame it as a constraint problem and let AI solve it. Be specific about every constraint.

Why This Matters Beyond Smoothies

This example demonstrates something that most people miss about AI: it's not just for tech companies and software developers. As we say, don't panic — it's just English.

A restaurant owner used AI to solve a real business problem in minutes. No code. No technical background. Just a clear description of what they wanted and the constraints they were working within.

That's the unlock. AI is a problem-solving tool for any domain. Menu design, inventory optimization, pricing strategies, marketing copy, operational scheduling -- if you can describe the problem and its constraints, AI can generate solutions.

The Pattern

Neo-print illustration: four-step circular process with target for goal, fence for constraints, brain for AI optimization, wrench for refinement

Goal. Constraints. Optimize. Refine. Works for smoothies. Works for anything.

The pattern that works across every domain:

  1. State the goal: "I want 10 smoothies"
  2. Define the constraints: "Rainbow colors, minimal ingredients, good taste"
  3. Let AI optimize: It finds the intersection of all constraints
  4. Refine: Adjust based on practical knowledge ("this ingredient isn't available locally")
Neo-print typographic poster: AI IS FOR EVERY DOMAIN in bold block letters with diverse industry icons floating around

Not just for tech. For every domain.

That's it. Goal, constraints, optimize, refine. Works for smoothies. Works for supply chains. Works for anything. That's the essence of vibe coding.

What kinds of business problems can AI solve beyond software?
Menu design, inventory optimization, scheduling, marketing strategy, financial analysis, customer communication, product naming, pricing models, workflow design -- essentially any problem where you can clearly state a goal and constraints. AI is a general-purpose problem solver, not just a coding tool.
Chris Johnston

Chris Johnston

Chris Johnston is the founder of PostScarcity AI and The Vibe Jam. Former development agency leader who managed 8 agile teams for venture-backed clients. Now teaching non-technical people to build with AI through vibe coding. Book a free Vibe Check to get started.

More About Chris Johnston

Ready to Start Building with AI?

Book a free 30-minute Vibe Check with Chris. Talk about what you want to build, get personalized guidance, and leave with a clear next step. No pitch, no pressure.