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Admittedly, February is probably the least sensible time for a Mid-Atlantic resident to deal with tomatoes. Still, with pretty much everyone I know battling some form of cold/flu/sinus travesty and I myself popping cough drops and drinking mugs of broth for the past couple weeks, I started daydreaming about DIY instant soups free of questionable additives and shocking sodium content. Being a vegetarian, these thoughts leaned towards vegetable-based options rather than chicken and noodles, and the dehydrator I was gifted over the holidays this year suggested all kind of possibilities.
The best course, it seemed to me at the time, would be to start with dehydrated tomato powder to which I could add other seasonings. The local grocery's produce section offered a depressingly unripe and waxy selection of the fruit, so I settled on some decent-looking plum tomatoes, figuring I'd at least get the most flesh for my dollar that way. I swallowed the $2.29/pound price tag; it would have been $3.99/pound. if I had selected organic fruit.
I cored and de-seeded (but did not peel) two pounds of tomatoes, slicing them in 1/4-inch rings and fitting about a pound per tray in my dehydrator. Unlike the garlic drying, the smell that filled the kitchen was much less overwhelming. Ten hours later, I had a lovely looking pile of perfectly crisp tomato slices, and after popping most of them in the blender I had...1/4 cup of tomato powder. In my heart I had known all along this was an August project, when tomatoes are available by the bushel for under $20. Clearly the math on this DIY project was not really going to work out at this winter rate. I would be much better off buying it.
However, the concentrated flavor of the powder was amazing and not to be wasted. I can see adding this to all kinds of soups, sauces, dips, and dressings, kneading it into bread dough, or sprinkling it on top of pizza along with some garlic powder. And for those concerned about acidic tomatoes and BPA in packaging, it's a great way to store a large quantity of the former within a small pantry footprint and have "just add water" access to everything from tomato paste to tomato sauce and juice.
Do you use tomato powder? What are your favorite applications?
Tomato Powder: The Method
Wash, core, slice, and de-seed plum tomatoes. Spray dehydrator racks lightly with oil and evenly spread out slices. They can touch but should not overlap. Dehydrate at 135°F for five hours and flip slices. Continue dehydrating until completely crisp, about five hours more.
Allow slices to cool completely and check again to make sure they are completely crisp. Then, using a blender or coffee grinder, reduce the slices to a powder. If grind is uneven, sift powder though a mesh sieve and regrind larger chunks. Store in an airtight glass container in a cool, dark place. Rehydrate portions of the powder to desired consistencies as needed.
I loved the tomato powder itself: versatile, storage-efficient, and delicious. However, it doesn't make sense to DIY this project in any quantity without access to fresh local tomatoes in bulk. Until then, I will either wait or purchase powder online, where even organic options are available for about $20 per pound.
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