How do you keep a kitchen waste log that people use?

The short answer

A kitchen waste log works when it asks for three things: what you tossed, how much, and why. Keep it in one place, fill it in as you toss, and look at the top three once a week.

Why do kitchen waste logs die?

A waste log starts with a plan and a clipboard. In a week the clipboard is lost. The reason is simple. The log asks for too much.

Picture a cook with wet hands, a full tray, and a ticket waiting. They toss a quart of sauce. Now they are supposed to write the item, the weight, the cost, the station, the time, the shift, and a signature. They will not. They will toss the sauce and move on.

So the best kitchen waste log is the one that takes the fewest seconds. If it takes more than a few, you will lose it.

What three things should a waste log ask?

Only three. Everything else can wait, or you can work it out later.

  1. What. The name of the item. “Lime crema.” “Roma tomatoes.” Use the name the cooks use.
  2. How much. In a unit the cook already thinks in: a quart, a pan, a portion, a pound.
  3. Why. One word is enough. Expired. Dropped. Burned. Wrong order. Cooked too much.
Try it here
Heard. Tossed 1 qt of lime crema. Logged as expired.

Pick Carlos in the pretend kitchen and say “We tossed the lime crema.” Try the demo

The why is the one that teaches you something. “Expired” three times in a week tells you that you are buying or making too much. “Dropped” tells you about a slippery floor or a tight station. “Wrong order” tells you the ticket system has a gap.

If you also want the cost, work it out once a week from your prices. Do not ask the cook to do the math.

Where should the log live?

Put it where the tossing happens. Not in the office. Not on the chef’s desk. If the log is a walk away from the bin, it will not get filled in.

  • A paper sheet by the trash station. Cheap and fast. Use a pen on a string so it does not wander.
  • One sheet per day. A new sheet each morning feels light. A thick book feels like homework.
  • One person owns it. That person checks that the pen works and the sheet is there.

It also helps if cooks know why you keep it. Say it out loud at line-up: “We are not blaming anyone. We want to see what we throw out, so we can buy and make less of it.” If people think the log is a trap, they will skip it.

What should you do with the log each week?

Once a week, sit down for ten minutes with the chef. Do not read every line. Look for the top three.

  1. The item thrown out the most often. Ask: can we make or buy less of it?
  2. The item that costs the most to throw out. One pan of braise matters more than five lemons.
  3. The most common reason. If it is the same reason again and again, fix the cause.

Then pick one change and try it for a week. Maybe you make half batches of the sauce. Maybe you move an item closer to the front of the walk-in so it gets used first. Next week, look again.

Write down what you changed. That way you can see if it worked. This also pairs well with your prep list, because over-prep is a common reason for waste.

What if people feel watched?

This is the quiet reason many logs fail. A cook thinks, “If I write this down, I will get in trouble.” So they do not write it down.

Fix it by how you act. Never use the log to blame a person. Thank people who write things down, even when the number is big. Have the chef write down their own tosses, too. When the boss logs, everyone logs.

Say clearly that a toss is information, not a crime. A burned pan happens. A dropped tray happens. What you want to know is how often, and whether you can make it happen less.

How does Heard keep a waste log?

You say what you tossed and Heard writes it down, with a cost. Ask what you wasted, and it adds up this week and says what cost the most over the last four weeks. The Numbers screen shows the biggest ones. Read more on the waste log page.

Costs come from the sample kitchen’s prices, and only the chef sees the cost figures. Try the demo, pick Carlos, and say “We tossed the lime crema.” Then pick Chef Maya, say the same words, and ask “What did we waste this week?”

Quick questions

What should a kitchen waste log include?

Three things: what you tossed, how much, and why. Anything more and busy cooks stop filling it in.

Where should the waste log be kept?

Next to where the tossing happens, such as the trash station, so it takes a few seconds to fill in.

How often should you review it?

Once a week. Look at the top three: the item tossed most, the one that costs most, and the most common reason.