The IDB #SinDesperdicio initiative and the role of restaurants: traditional method vs Masterestaurant method

What does a restaurant that measures waste gain over one that only donates surplus?

Measuring wins, and the gap is financial before it is moral. An operator who logs waste by station and by cause from the very first service builds an auditable monthly series;

the one who donates at closing hands over kilos with no baseline, no counterfactual and no traceability of origin. The 127 million tons lost or wasted every year in Latin America and the Caribbean, per FAO estimates cited by the IDB when it launched #SinDesperdicio, spread across the whole chain, yet the stretch a restaurant actually controls —walk-in, pass, plate— is precisely the one no food bank can document for you. Donation moves product; measurement moves DECISIONS. An investment officer does not fund good intentions, he funds data series, and there the traceable Masterestaurant method arrives with evidence while the other arrives with a photograph of the truck. The traditional method produces a number AFTER the fact; the traceable method produces a signal DURING the fact, and that gap in time is what separates a sustainability report from a purchasing correction.

The difference is not technological: it is temporal

Take it all the way: if on Tuesday you see protein waste up 18% against the previous Tuesday, you have three days to cut Thursday's order, renegotiate the portion weight of the special and push out the cut that is dying in the walk-in; if that same figure reaches you in the March annual report, you already paid twelve months of overstock and all you can do is put it on a slide. Diego F. Parra keeps pressing an uncomfortable point for this trade: waste is almost never decided at the bin, it is decided on the purchase order, three days earlier, and a purchase order cannot be corrected with memory. Donation solves the surplus; measurement solves the origin, and that asymmetry defines how much of the problem each method touches. Product that reaches the end of service intact and can be donated safely is a minor fraction of a kitchen's total waste: the bulk rots earlier, in the badly rotated walk-in, in Tuesday's overstock nobody reviewed, in a portioning yield that drifted without anyone writing it down.

Coverage of the problem: 3% versus 97%

Here comes the honest concession, and it is genuine: a restaurant that already donates should NOT stop, because donated surplus feeds people today. But if donating is all it does, it is working on 3% of the problem while the remaining 97% spoils without a single line of record. The traceable method wins this criterion because it covers waste from purchase to plate, not just the visible residue at closing. Reported kilos, not narratives. The #SinDesperdicio initiative, convened by the IDB Group together with Fundación FEMSA, the Consumer Goods Forum and a network of regional organizations, pursues SDG target 12.3 —halving per capita food waste by 2030— and a target with a closing year needs operators delivering periodic measurement. A food bank receives donations and says thank you; an IDB Lab officer asks for a baseline, a counterfactual and a monthly series. Those are two different languages, and mixing them up has cost dozens of food-service operators across the region their entry into technical assistance programs that were within arm's reach.

What does the IDB actually require to bring a restaurant into the platform?

The independent restaurant is the region's hardest measurement unit and also its most numerous one, so whoever solves daily logging walks in through the wide door.

SATE Institute runs this agenda with Masterestaurant S.A.S. as technology partner and owner of the software, and the division of duties is deliberate. The think tank defines indicators, measures impact and answers to the funder; the platform captures the data inside the kitchen, where it is generated and where it has always been lost. When those two layers blur, the same thing happens every time: the chef estimates from memory in December, the consultant rounds, and the final number survives no review. When they are cleanly separated, the operator has one job —weigh and classify the cause— while the institutional layer translates those kilos into the funder's language. Pure donation has no such architecture: the restaurant hands over, the food bank receives and NOBODY owns the historical series the program will demand two years from now.

The case: two kitchens, the same walk-in, different outcomes

Take one group with two locations running an almost identical menu. Location A donated surplus three times a week and closed the year with a rough guess: «about 40 kilos a week». Location B started weighing waste by station and by cause —expiry, overproduction, portioning error, plate returns— and four months in it held a figure nobody had suspected: two protein items concentrated more than 60% of the lost value, and the dominant cause was not expiry but portioning. With that, the owner changed portion weight and order frequency within two weeks, something donation would never have revealed, because badly portioned product leaves the building inside a sold plate, not inside a donated box. Location A helped its community; location B helped its community AND cut its raw material cost. Nearly 75% of U.S. adults say they are willing to visit restaurants with sustainable practices, according to the National Restaurant Association in its State of the Industry, and that willingness sits inside an industry that topped 1.1 trillion dollars in sales in that country during 2024.

Measured sustainability is also sales, not just reputation

The point is not to copy the northern market, it is to grasp what turns a diner's intention into real traffic: a verifiable claim. Saying «we donate surplus» is a message anyone can write; saying «we cut kitchen waste by X% against our 2025 baseline, measured by station» is a claim that can be audited and that an institutional partner can back. Donation wins on immediate human warmth; logging wins on lasting credibility, and only one of the two survives the question «how do you know?». If you run an independent location and you want to genuinely enter #SinDesperdicio, start with logging and add donation afterwards: the Masterestaurant method wins because it produces the fundable evidence donation alone never generates. If you already donate and it works, do not dismantle it —keep the route to the food bank and add the scale and the cause code at the pass, which costs two minutes per service.

What to choose according to your operating profile?

If you run three locations or more, logging stops being optional: without a series comparable across units you cannot tell which kitchen is bleeding and which one is propping up the average.

And if your stated goal is reputational, know that the role of restaurants on this platform shifted from beneficiary to data provider, and only those who report collect that promotion. Weigh the waste of your next service and write down the cause: your baseline starts there. The difference is not technological, it is temporal. The traditional method produces a number after the fact; traceable logging produces a signal during the fact. An owner who sees on Tuesday that protein waste rose 18% against last Tuesday fixes Thursday's order, and that single correction outweighs any annual sustainability report. Donation solves the surplus, measurement solves the origin. They are complementary, and here is the honest concession: a restaurant already donating should keep doing it.

Where the two paths genuinely split?

But donating alone means working on 3% of the problem while the other 97% rots in the cooler with nobody writing a line about it.

Under #SinDesperdicio, the role of restaurants shifts from beneficiary to data provider. It is an uncomfortable promotion. You stop receiving a communications campaign and start delivering a statistical series that others will use to design public policy, with everything that responsibility implies. The traditional method treats waste as an accounting loss; the Masterestaurant method treats it as an operating diagnosis. A 34% food cost with measured waste tells you where the leak sits; a 34% food cost without measured waste tells you only that something somewhere is wrong, which is the same as telling you nothing. The sector's skills gap, documented by the ILO in its Labour Overview, closes through evidence of competency rather than hours of workshop attendance. Logging waste for 60 days certifies a verifiable skill; sitting through a circular economy lecture certifies that someone occupied a chair.