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The total ingredient + utility + overhead cost divided by number of portions for a single recipe.

Suggested menu price computed from your portion cost and a target food-cost percentage.

Cost of ingredients (and consumed utilities) as a % of selling price.

Add primary (cost-driver) and secondary (spice / herb) ingredients with quantity + rate.

Fixed and variable overheads beyond ingredients: gas, electricity, water, packaging, delivery, labour, rent, kitchen overhead, maintenance, misc.

Branded, print-ready cost sheet for a single recipe.

Add private ingredients beyond the 337 curated benchmarks — names, rates, categories.

An input variable you'll vary across trials (e.g., bake time, sugar quantity, mixing speed).

The matrix of trials KOSTRA generates — Central Composite, Box-Behnken, or Full Factorial.

Find the factor settings that simultaneously satisfy multiple goals (e.g., max protein, min cost, target taste).

Interactive Plotly visualization of how each response varies with two factors.

Push the optimum factor levels back into the base recipe and save as either an updated recipe or a new one.

Persists a fully costed recipe to MongoDB so it appears in My Recipes.

1-click hydration of any chef recipe into the Calculator with all ingredients pre-filled.

Open any saved recipe back in the Calculator with full state preserved.

A row in the production plan = one recipe at a target portion count.

Aggregates ingredients across all order lines into a single shopping list with totals.

Persist the current plan with a name into MongoDB so you can reload it any day.

GPT-4o-mini-powered search returning 4-12 fully structured, copyright-safe recipes per query.

Three CTAs in the Preview dialog: Save to Library / Send to Calculator / Send to R&D.

Pre-baked R&D project with hand-tuned trials, headline copy, key findings, and branded PDF/Excel export.

Multi-turn chat with GPT-4o-mini that knows every KOSTRA feature, formula and best practice.