This is a folding temperature- and humidity-controlled box for home fermentation and low-temperature cooking. It holds a steady, adjustable warmth with added moisture, which is what dough, yogurt cultures and chocolate work need, and it folds flat for storage. In slow cooker mode it heats your own Dutch oven or pot rather than carrying a built-in crock, so it does double duty where a single-purpose proofer would not. Owners rate it highly for consistent rises and steady results; the trade-offs are that it needs your own pot and that it is a niche appliance with a learning curve.
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Owners give it very high marks, mostly for even, predictable dough rises and steady fermentation temperatures. Many say it replaced guesswork with repeatable results and like that it folds away. Complaints center on the need for your own pot and on the space it takes when open.
The Folding Proofer & Slow Cooker is a countertop appliance that folds for storage. It gives accurate temperature control and predictable results, similar to a commercial kitchen tool.
In proofer mode, its temperature and humidity control suits rising and fermenting yeast bread dough or sourdough. In slow cooker mode, it cooks one-pot meals using your own Dutch oven or pot.
It can also be used for making yogurt, sous vide cooking and tempering chocolate. It also works for probiotic foods such as soft cheeses, cultured butter, kombucha, tempeh and kefir.