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Projects / LAB-03

Mise

A local-first meal planner that uses linear programming to balance macros and cut food waste.

Part no.
LAB-03
Status
working
Platform
Web · local
Year
2026
Stack
NodeSQLitezodLP solver
03 — Back of the napkin
Back of the napkinRough · not a forecast

Personal tool. Its value is less food thrown away and fewer decisions to make.

  1. Weekly food shop (assumption)€80
  2. ×Share wasted15%
  3. =Waste per week€12
  4. ×Halved by planning around pack sizes50%
  5. =Saved per year≈ €310
Running costs
Running cost
€0, runs locally
At 10× / 100×

The LP solver is tiny and instant. To become a product it would need a shared food database and recipes, and that’s the hard part.

Verdict

Saves real money for one household. As a product, it’s a feature waiting for a meal-kit company.

05 — On screen
A generated week, with the shopping list rounded to real pack sizes
A generated week, with the shopping list rounded to real pack sizes
Lunch and dinner bowls with macro hit rates
Lunch and dinner bowls with macro hit rates
Picking whole foods for the week
Picking whole foods for the week
The original wireframe
The original wireframe
06 — Engineering highlights
01

LP macro solver

A constrained least-squares fit for each bowl using javascript-lp-solver.

02

Shop in real packs

Quantities round to real pack sizes and the leftovers become a waste forecast.