Making tempeh is very easy. Here we explain how to make tempeh from 100% soy. This is the traditional tempeh as it is consumed in the country of origin: Indonesia. To make 500g tempeh you need the following ingredients:
- 300 g whole soybeans
- 4 tablespoons vinegar
- 1 teaspoon tempeh starter
Step 1: Cracking the soybeans
The easiest way is to crack the soybeans with a loosely set grain mill. Ideally each soybean is cracked in half. On the left you can see a picture of a Family Grain Mill. This grain mill can be bought on the internet for les than $100. With the Family Grain Mill you can split the 500 g soybeans in a few minutes. Daniel informed us that the Porkert Universal Grain Mill can also split the soybeans. It is a Czech made grain mill that is all hot dipped steel, easy to take apart and lasts a long time. If you know other grain mills that can do the job, please inform us!
When buying a grain mill consider that you can also use the dehulled soybeans to make soymilk. If you don't have a grain mill or dehulled soybeans continue with using whole soybeans, you will have to remove the hulls later by hand. If you are lucky, you can find a store that sells dehulled soybeans. Industrial tempeh producers normally buy dehulled soybeans. Maybe they will sell you some soybeans!
Step 2: Soaking and dehulling soybeans
Soak the soybeans in 2 liter water for 6 - 18 hours. If you use whole soybeans you should split them by squeezing them with a kneading motion. Stir gently causing the hulls to rise to the surface, then pour off water and hulls into a strainer. Add fresh water and repeat until most hulls are removed. Don't worry if a few hulls remain attached.
Step 3: Cooking the soybeans
Put the beans in a cooking pot and water to cover the soybeans. Add 3 tablespoon vinegar and cook for 30 min. Drain off the water and dry the soybeans by continue heating them in the pot on medium heat for a few minutes and until the beans are dry. Allow the soybeans to cool down to below 35°C.
Step 4: Inoculating the soybeans with tempeh starter
Sprinkle the soybeans with 1 teaspoon of tempeh starter. Mix with a clean spoon for about 1 minute to distribute the tempeh starter evenly. It's very important to mix the tempeh starter very well: it reduces the risk for spoilage and the fermentation will be faster. To promote the home production of tempeh we will send you a free sample of tempeh starter.
Step 5: Incubating the beans
Take 2 plastic bags 18 x 28 cm and perforate them with holes at a distance of about 1 cm by a thick but sharp needle. A normal needle is too thin, you need a fat needle or small nail (about 0.6 mm in diameter). This will allow the mould to breathe.
Divide the soybeans in the two bags and seal them. Press them flat, making sure that the total thickness of the beans is max 3 cm. Place the packed beans in an incubator at 30°C or at a warm place for about 36- 48 hours during which the tempeh fermentation takes place. Then the container should be filled completely with white mycelium and the entire contents can be lifted out as a whole piece.
Now you know how to make tempeh. We hope that you will enjoy the home making of tempeh and ... the eating of it!
Taken from : http://www.tempeh.info/maketempeh/how-to-make-tempeh.php
- 300 g whole soybeans
- 4 tablespoons vinegar
- 1 teaspoon tempeh starter
Step 1: Cracking the soybeans
The easiest way is to crack the soybeans with a loosely set grain mill. Ideally each soybean is cracked in half. On the left you can see a picture of a Family Grain Mill. This grain mill can be bought on the internet for les than $100. With the Family Grain Mill you can split the 500 g soybeans in a few minutes. Daniel informed us that the Porkert Universal Grain Mill can also split the soybeans. It is a Czech made grain mill that is all hot dipped steel, easy to take apart and lasts a long time. If you know other grain mills that can do the job, please inform us!
When buying a grain mill consider that you can also use the dehulled soybeans to make soymilk. If you don't have a grain mill or dehulled soybeans continue with using whole soybeans, you will have to remove the hulls later by hand. If you are lucky, you can find a store that sells dehulled soybeans. Industrial tempeh producers normally buy dehulled soybeans. Maybe they will sell you some soybeans!
Step 2: Soaking and dehulling soybeans
Soak the soybeans in 2 liter water for 6 - 18 hours. If you use whole soybeans you should split them by squeezing them with a kneading motion. Stir gently causing the hulls to rise to the surface, then pour off water and hulls into a strainer. Add fresh water and repeat until most hulls are removed. Don't worry if a few hulls remain attached.
Step 3: Cooking the soybeans
Put the beans in a cooking pot and water to cover the soybeans. Add 3 tablespoon vinegar and cook for 30 min. Drain off the water and dry the soybeans by continue heating them in the pot on medium heat for a few minutes and until the beans are dry. Allow the soybeans to cool down to below 35°C.
Step 4: Inoculating the soybeans with tempeh starter
Sprinkle the soybeans with 1 teaspoon of tempeh starter. Mix with a clean spoon for about 1 minute to distribute the tempeh starter evenly. It's very important to mix the tempeh starter very well: it reduces the risk for spoilage and the fermentation will be faster. To promote the home production of tempeh we will send you a free sample of tempeh starter.
Step 5: Incubating the beans
Take 2 plastic bags 18 x 28 cm and perforate them with holes at a distance of about 1 cm by a thick but sharp needle. A normal needle is too thin, you need a fat needle or small nail (about 0.6 mm in diameter). This will allow the mould to breathe.
Divide the soybeans in the two bags and seal them. Press them flat, making sure that the total thickness of the beans is max 3 cm. Place the packed beans in an incubator at 30°C or at a warm place for about 36- 48 hours during which the tempeh fermentation takes place. Then the container should be filled completely with white mycelium and the entire contents can be lifted out as a whole piece.
Now you know how to make tempeh. We hope that you will enjoy the home making of tempeh and ... the eating of it!
Taken from : http://www.tempeh.info/maketempeh/how-to-make-tempeh.php
This is how the fermentation cooked the soybean and transform it into tempeh :
first we have to spread the tempeh starter (the yeast) evenly all over the tempeh. After that we let the tempeh being incubated for a period of time. During this period of time, fermentation happened and cooked the tempeh inside out. How fast or how slow the process the might be depend on how well we spread the starter evenly all over the tempeh. After all of that, we just have to wair until the tempeh cooked and ready to be fried.
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