Soft Hardtack That's Actually Edible

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Introduction: Soft Hardtack That's Actually Edible

This recipe is just as easy to make and pack around as regular hardtack but has more nutrition and won't break your teeth when you try to eat it!

Step 1: Ingredients

Here's what you will need:
Oat flour
Applesauce
A food dehydrator(or an oven that can be set very low)
Optional: Honey (raw is best but store bought will do)
Apple chips (home made is best, but again, store bought will do)

Step 2: Put It Together

The recipe is quite simple, it is just 2 parts oat flour to 1 part apple sauce. If you can find oat flour that's great, but it is very easy to make using regular rolled oats and a blender or spice grinder and it is also very cost effective.
And if you choose to add honey or apple chips you may alter as you wish but a good starting point is 5 parts flour/sauce mixture to 1 part honey or apple chips (be sure the chips are broken up into somewhat small pieces)
Once you have the dough made (it should be about the consistency of cookie dough, though a little bit stickier) you can flatten it out on a pan to put into the dehydrator. If you go that route you simply cut it into squares once it is dry. That is easy enough, but I prefer to dry it in smaller pieces so that it will dry quicker. I like to use plastic baby food lids since I have a lot of them and then they are a good uniform size.
The drying time will vary a little bit based on your dehydrator temperature; also adding honey makes it take longer as well. But in mine it usually takes about 10 to 12 hours, going about 6 to 8 hours on the first side and flipping it over (taking it out of the mold to do so) to dry the underside for about 4 more hours. You will know when it is sufficiently dry because it will no longer be sticky and it will be uniformly a much lighter color. If it is sticky anywhere or has dark patches anywhere then it's not done drying yet.

Step 3: How It Works

Regular hardtack is made of wheat flour, salt, and water which is baked until it's hard. The high gluten content of wheat flour makes it very solid once it's dry, in fact, it's so hard that it has been used for building homes in some parts of the world. By replacing it with oat flour, which has a much lower gluten content, you already make it a bit softer without compromising the ability to preserve it since oats will keep as well as wheat when completely dry.
The next improvement is using applesauce instead of water; you need some kind of liquid to make the flour into a paste for forming it into bisquits and applesauce will do the trick while adding nutrients as well as keeping the mixture soft even when it's dry. I have been able to successfully preserve apples through dehydration so that they last for at least a couple of years, as long as the moisture is all removed then the applesauce will keep for a good while.
Another improvement is adding honey if you choose to. Honey has been found in ancient tombs and was not only still edible but actually nutritious! Adding honey will help preserve the bisquits and make them taste better, though they don't seem to make a difference in how hard/soft they turn out.
Lastly, they are dehydrated, not baked. This is a subtle but important difference. Since it never gets hot enough to actually bake it, the ingredients retain many of the same qualities of being raw. The most important of which is that the nutrients in the oats don't brake down as much so this recipe is quite a bit healthier than normal hardtack. Dehydration is also more effective at removing moisture (although it is slower), which is very important since applesauce is definitely perishable if it's not totally dry.
And that's about it! So far I have had very good luck with these storing well as long as they are kept dry. They are much more edible than standard hardtack, I even give them to my 1 year old- that's how much softer and better tasting they are. Now don't get me wrong; these still aren't that tasty, but in a survival situation I would much rather have a pack full of these than those bricks they call food.
I hope this has been helpful and that it comes in handy for somebody some day!

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21 Comments

you soak hard tack a little before eating it. you can soak it in any edible liquid.

If I just have an oven that goes down to 140, how long should i leave it in there for?

I leave it in over night usually, so about 8 hours.

When adding an ingredient to food for extra protein remember anything with an oil/fat content will go rancid after a time. Rancid nuts taste bad.

good point, thank you!

Is your 2:1 ratio based on weight or volume?

it's by volume, though the recipe is forgiving enough that you could probably go by weight as well if you wanted.

I wonder if instead of oat flour a low-carb, whole grain baking flour (like red mill's) could work?...that would increase the protein, lower the carb and add fiber.

hmm... That is worth a try, and if it's got enough fiber then it should still be fairly soft

I've been doing the whole low-carb/high protien life style for about 2 years (lost 120+ pounds) and thinking real edible soft hardtack that keep would be good for backpack trips. Tweak the recipe and use that for a staple.