# Fruitcake - long soak for the fruits?

**URL:** <https://boards.straightdope.com/t/fruitcake-long-soak-for-the-fruits/827098>\
**Category:** Cafe Society\
**Created:** [January 2, 2019, 3:44pm UTC](https://boards.straightdope.com/t/fruitcake-long-soak-for-the-fruits/827098 "2019-01-02T15:44:53Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Mama\_Zappa](https://avatars.discourse-cdn.com/v4/letter/m/71e660/32.png) [@Mama\_Zappa](https://boards.straightdope.com/u/Mama_Zappa)\
**Post date:** [January 2, 2019, 3:44pm UTC](https://boards.straightdope.com/t/fruitcake-long-soak-for-the-fruits/827098/1 "2019-01-02T15:44:53Z")

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Per [this recipe for Panamanian Black Cake](https://www.washingtonpost.com/recipes/panama-fruitcake/15537/?utm_term=.fbd61cb2bb0f), the fruit needs to be soaked in liquor for a very, very long time.

> [@](#):
>
> NOTE: To make the prepared fruits, combine 1 1/4 cups finely chopped Paradise Extra Fancy Fruit Cake Mix (candied fruits), 1 1/4 cups raisins, 1/2 cup currants, 1/4 cup rum, 2 tablespoons brandy and 2 tablespoons port in an airtight container. Allow the fruits to soak for at least 30 days. If unable to soak for a long period, place all ingredients in a saucepan and bring to a boil over medium-high heat, then reduce the heat to medium and cook for 15 minutes. Let cool to room temperature. This quick-cook mixture can be placed in an airtight container and stored in a cool, dark place for several weeks, until ready to use.

Aside from moistening / reconstituting the fruit, what really happens with such a long soaking? We were talking about this the other day and trying to figure out what the benefit is - some sort of chemical reaction? Should I run out right now and try to find leftover candied fruit at the grocery store to start it soaking? The liquid seems like a fairly small volume, really: just a half cup of liquid for 3 cups of fruit (and the instructions don’t say anything about shaking the jar up).

I’d be nervous about spoilage too. I mean, alcohol is fine by itself, and dried / candied fruits are OK at room temperature, but adding moisture seems like a recipe (hah) for some sort of food poisoning.

I’ve made fruitcake before that calls for soaking the fruit for a day or so, which is less scary.

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**Author:** ![Max\_Torque](https://avatars.discourse-cdn.com/v4/letter/m/e9bcb4/32.png) [@Max\_Torque](https://boards.straightdope.com/u/Max_Torque)\
**Post date:** [January 4, 2019, 3:34pm UTC](https://boards.straightdope.com/t/fruitcake-long-soak-for-the-fruits/827098/2 "2019-01-04T15:34:56Z")

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Alcohol is something of a preservative, so you shouldn’t have to worry about fruit spoilage. Unless you do the soak on top of a radiator or something. I mean, barrels of alcohol used to be a preferred method for storing human bodies for long periods (sea voyages and such). I do agree, though, that the volume of liquid seems small.

As for the why: some flavor compounds in foods are water-soluble; they dissolve in water, which helps to carry them to your tongue and nose. Other flavor compounds dissolve in alcohol, and the soak is intended to bring those components out and boost the flavor profile. Thirty days seems long, however; I can’t imagine that there will be significant improvement in a 30-day soak versus an overnight soak. The point of the long soak is probably to soften the fruit in the liquid.

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**Author:** ![Mama\_Zappa](https://avatars.discourse-cdn.com/v4/letter/m/71e660/32.png) [@Mama\_Zappa](https://boards.straightdope.com/u/Mama_Zappa)\
**Post date:** [January 5, 2019, 3:23am UTC](https://boards.straightdope.com/t/fruitcake-long-soak-for-the-fruits/827098/3 "2019-01-05T03:23:16Z")

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> [@Max\_Torque](#):
>
> Alcohol is something of a preservative, so you shouldn’t have to worry about fruit spoilage. Unless you do the soak on top of a radiator or something. I mean, barrels of alcohol used to be a preferred method for storing human bodies for long periods (sea voyages and such). I do agree, though, that the volume of liquid seems small.
> 
> As for the why: some flavor compounds in foods are water-soluble; they dissolve in water, which helps to carry them to your tongue and nose. Other flavor compounds dissolve in alcohol, and the soak is intended to bring those components out and boost the flavor profile. Thirty days seems long, however; I can’t imagine that there will be significant improvement in a 30-day soak versus an overnight soak. The point of the long soak is probably to soften the fruit in the liquid.

Heh - the recipe I linked would consider 30 days to be FAR to little time - note that it says the baker soaks it for 2+ years.

I wonder if I’d want to have it sealed tightly (anaerobic / botulism, anyone?)
