After the roast, nothing can fix a mistake

Separate the two sides of the room

Raw nuts and roasted nuts should not share equipment, surfaces, containers or the hands that move them without cleaning in between. This is the single most effective control after the roast itself, and it is the one most often lost when a small kitchen gets busy.

The grinder is the obvious risk

It is hard to clean, it holds product in places you cannot see, and it processes everything you make. A grinder that handled raw material and then roasted material has moved the problem directly into the finished product, and nothing downstream will catch it.

Jars and lids are part of the chain

Clean and dry, stored covered, handled with clean hands. A jar is the last thing the product touches before it is sealed for months, and there is no process after it that would deal with anything introduced at that point.

Dry cleaning, not wet

Water in a low-moisture production environment creates places for organisms to grow that the dry product itself would not support. Cleaning practice in this kind of facility is deliberately dry where possible, and thorough drying is part of any wet clean rather than an afterthought.

Which is why the records matter so much

With no downstream control, traceability is what limits the damage when something is wrong. Nut lot in, roast record, batch code out, and where the jars went. That chain is the difference between recalling a batch and recalling everything you made.

Think of it as a one-way door

Before the roast, a problem can still be fixed by the roast. After it, nothing you do can. Laying the room out so that material physically moves in one direction, and never back, is a better control than any amount of care by people who are busy.

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