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あん is made from red 小豆 beans or white beans such as 手亡豆.
You differentiate between 粒あん and こし餡. The former cooks the beans in their entirety, the latter removes their skins to make a smooth paste.
You could technically make 粒あん with white beans, but it's not very common.
You can go one step further and make さらし餡, where you wash the pulp to make it very delicate. This you can do for both white beans and 小豆 beans. In the latter case, you'll be rewarded with a very nice colour (紫), but also lose a lot of the flavour.
Cooking beans
Before adding any sugar, the beans need cooking.
Depending on the variety of the bean, they might not even need soaking overnight.
ビックリ水: As the water comes to a boil, add fresh water until all the beans settle at the bottom of the pot. Remove some water, if necessary. This you do so the beans cook through more evenly
| Cooking | 小豆 | 手亡豆 |
| First | Fill pot halfway with water, cook on high until the cooking water takes on 紅茶色 and about about 90% of the beans are wrinkly. This usually takes about 10' after reaching a boil. | Fill pot halfway with water. Cook until about 20-30% of the beans become translucent. This, too, takes about 10'. |
| Second | Dump, rinse, fill pot completely. Cook on high heat until first beans split at their tummy, about 10-15'. | Dump, rinse, fill pot completely. Adding the ビックリ水 twice (or up to 4 times, depending on the variety), cook until the first beans split at their head. |
| Third | Dump, rinse, fill pot. Simmer at about 110% covered for about 30', checking every 5' until very soft. | Dump, rinse, fill pot. Simmer at about 110% covered for about 30'-45', checking every 5' until very soft. |
こし餡
There are different philosophies about the cooking liquid. To retain more 風味, preserve it.
Mash the beans, return to the cooking liquid. Shake out the skins.
Wash the skins again, they still contain quite a bit of bean paste. Leave that washing water to settle, adding the settlement afterwards.
Pour the cooking liquid through a fine sieve to get rid of the germs, then through a cloth and squeeze out the liquid.
For 500 gr of dry beans, you should get about 600 gr of 生あん (depending on how hard you squeeze; but it's best to continue the recipe using this number).
| 生餡 | 100% | 600 gr |
| sugar | 60-70% | 390 gr |
| 水飴 | 0-5% | 30 gr |
Add all the sugar and 水飴, if using, with half of the 生餡. Like this, the sugar has a chance to melt (you can also add a little bit of water to speed up the melting). As soon as it starts to boil, add the rest of the 生餡 and reduce while stirring constantly (川」) until the dough stands by itself. This too takes about 10'.
My old recipe
Cover beans with water and wait for one night.
Then cook them, adding cold water 3 times as they start to boil.
Strain in water, put through a cloth and squeeze out water.
Use about ⅔ of the initial, dry weight of the beans in sugar and cook with ⅓ of the bean paste. Then add another third, and then another. Cook until it's dry to the touch.
🧂 Be very careful about adding salt when adding sugar. In Western pastries that is a very good rule to add 0.5% of sugar in salt, but in Japanese sweets it's more obvious (or Japanese palates, or just KM's in particular, pick up on it more easily).
➡️ I tried peeling the beans before straining, but passing them through the Flotte Lotte and then through the Tamiz, I couldn't taste the difference.
Measurements
500 gr dry beans, will yield about 700 gr strained cooked beans
Adding 500 gr of sugar and cooking down until it doesn't stick will yield about 900 gr of 餡.
Variations
うぐいす餡 uses peas, which is very nice, because they cook in about 20' and don't need soaking. This あん likes it if some 日本酒 is added. I use this in my 雪間の声!
黄身餡 adds some cooked, strained egg yolk. You can also make it with fresh yolk and cook that again, but KM gave me a very strong reaction because of the rawer egg taste, so maybe that's not for everyone.
For the
花弁餅, you use 味噌餡 (to which I like to add some
beure noisette).
桜あん:
10% of salted cherry blossoms to 白あん. Rinse them thoroughly, then separate stems. Blot dry, chop and mix. Colour あん slightly pink. I use this, for example, in my
吉野窓.
Leafy 桜餡: 2 leaves of salted cherry blossom leaves finely chopped with 200 gr of 白あん. Add some colour as well. Aromatically much more interesting than the flowery 桜餡. Works well in
そば饅頭, for example.
黒ごま餡: Mix in 5% of black sesame paste. It's a beautiful flavour, and I think should be much more widely used, for example in the
木枯らし or the
けし餅. Could also work well in the
わらび餅, especially if you use black sugar instead of regular sugar in the making.
Half and half vermicelles and 白あん (for autumn)
Add candied walnuts and a dash of 味噌 (quite nice with
饅頭, I think)
ココアン
Non-bean fillings
-
The milk filling from midye
baklava is also nice for 練り切り, for example!
Other recipes
I got a recipe from
LK and from KM in my drive.
Also an
LK recipe for 黄身餡 (with egg)