Alan -
Cocoa butter is deodorized using one or more of the following methods:
- High temp/pressure steam is used to drive off volatile aromatics.
- Solvent extraction (e.g., hexane).
- Using a flocculant (e.g., diatomaceous earth) to remove proteins (e.g., carotene). You then need to filter out the flocculant, along with any small particles of non-fat cocoa solids that may remain.
If you have a way to get the butter hot (over 70C), agitate it, and blow a lot of hot air over the surface, you may be able to drive off some of the aroma. Using the diatomaceous earth will make it lighter in color, but as I point out you need a filter.
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@DiscoverChoc