Hi there, I'm looking for info on storing my coverture. I currently pour it out of my grinder and…

By The Archivist | | 4 min read

Hi there,
I’m looking for info on storing my coverture. I currently pour it out of my grinder and into stainless steel hotel pans with lids and then store that in my cold storage which is around 65degree F. I am storing roughly 20 kg at a time per flavor. I am wondering though if I should be:
1: tempering it first (which would be quite difficult and add a whole step to my process)?
2: storing it in a sealed container somehow blocking it from oxygen? I am not sure at all how to achieve this. Do makers generally bag up their chocolate? Or use plastic bins that seal better?

And when stored this way does it degrade the chocolate? I am remelting it and then tempering when I am ready to mold bars, and so far over the 2 years it seems fine, but I just wonder what other folks do? It also is hard to remelt because it is a large block and I wonder if I should be molding it up somehow, or pouring onto thin sheets and then breaking it apart? I am also starting to sell the chocolate blocks wholesale and wondered if it is common practice to mold this into blocks? And if so do I have to temper it? I am pouring it into sheet pans and cooling in my cooling cabinet and then cutting it into blocks and storing in a hotel pan like the rest of my chocolate bases. I was excited to sell bulk chocolate for the very reason that I don’t have to temper it and mold it, so is this acceptable?
Any info about any of this would be appreciated. Thanks in advance. I live in the middle of nowhere so not many folks to talk chocolate with.
Beth

Archived Comments
This is a pretty big topic so it’s going to be difficult to do it justice in short space. As you know, cocoa butter is polymorphic, and when you’ve got ‘good temper’ (lets define good temper as CTU<10 30 and slopes between -1 to +1) - a good 60% of the cocoa butter in your 'solid' chocolate is still actually liquid. that liquid will slow crystallize (which one reason tempered gets harder over time), 'good temper' crystals convert lower energy state crystal another time). mechanics flavor release are heavily dependent upon how things melt so aged taste different than freshly moulded because it's releasing differently due melting. essentially for tempered' (as defined above), after days being stored an iso-thermal 70f(ish) environment changes point where less meaningful (they occur, but average bear can't detect them). melting bar recasting it resets this. most people really surprised by their 'fresh' tastes compared day chocolate. wait, there's more. there few more mechanisms change. them evaporation volatile compounds, well, evaporate. why you can smell 'flavors' air time, enough evaporate solid bar, now different. not reset this once they're gone, gone. then oxidation. fats undergo chemical reaction called oxidation (and possibly hydrolysis if moisture present). affects milk white dark, happen regardless or not. remelting has no impact on so, as with many i'm afraid straight forward answer.< div>
@bethingbird @Sebastian – my understanding based on a long conversation with Ed Seguine is that if you were to take the same chocolate and store it tempered and untempered for the same length of time (at least several months) when you tasted them they would taste different. One explanation here is that the difference in crystal structure will affect melt and the release of aroma and flavor chemicals.

However, Ed says that if you de-temper the tempered chocolate and melt the untempered chocolate and then temper and mold each, the results will taste basically the same assuming the two chocolates were stored under the same conditions. Does that accord with your understanding, Sebastian?

As the use for couverture is to temper and then use for molding and enrobing, then I don’t see that tempering before storage results in a meaningful difference – if this is the case.

Some makers I know use what are called fish containers to block and store their chocolates. Contact Consolidated Plastics and ask for John Conley (please mention my name). Get the short square containers (~10lb). You can pour the chocolate into the containers and the seal is tight (burp like Tupperware). They nest/stack easily and are easy to label with painter’s tape. These boxes have lots of uses around the kitchen.

whoops – do you have to temper it? No. Do you have to store it < 2 years? No. is it better to do those things? Yes.
Wow – whole lotta questions there 😎 generally speaking – minimize exposure to air, light, and humidity. Products with dairy in them will not last as long as products w/o dairy. 2 years is a long time to store chocolate. Storing chocolate tempered is always going to be better than storing it non-tempered (long explanation involving polymorphism and flavor changes over time), plus it’s easier to work with for smaller customers.
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