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Author Topic: Soft butter rolls p.258  (Read 1688 times)

Offline ostwestwind

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Soft butter rolls p.258
« on: May 15, 2010, 01:15:58 PM »
Today I baked one third of the metric recipe which means 500 grams flour and 25 g fresh yeast. In Germany 25 grams fresh yeast corresponds to  7 g (1 sachet) dry yeast, thats about 2.5 tsp.

I think my calculation wasn't too bad


In the book you should use for the home baker version 1 lb 1.6 oz flour = 499 grams and 0.09 oz = 2.6 grams = 1 tsp. dry yeast.

I am confused
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Offline Paul

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Re: Soft butter rolls p.258
« Reply #1 on: May 15, 2010, 04:10:21 PM »
Here's my calculations:

According to the book,
METRIC yeast = 75g fresh; IDY equivalent = 25g
HOME yeast = .09 oz, x 28.35 to get grams = 2.55 g
The HOME formula, based on total weight, is .32 of the Metric formula, so 25g x .32 = 8g IDY.

Yep, that's off too.

So let's go with the percentages column instead.

Metric: Flour = 1500 g
Fresh Yeast = 75 g, which is 5% as noted.

Home flour = 17.6 oz = 498g
so 5% of that should be 25g fresh. We need to divide by 3 to get IDY = 8g
.09 oz = 2.5g, this is a ways off the expected 8 grams.

Yup, I think we have another error.

I think that basically, the yeast in IDY form, needs to be 1.6% of the flour weight (5% fresh divided by 3) so 498 x .016 = 7.96g which is .28 oz - let's call it .3 - which is 2.7 tsp according to page 388.

Anyone else what to have a go at the math here and see how close we are?
« Last Edit: May 15, 2010, 05:01:25 PM by Paul »
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Offline Steve

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Re: Soft butter rolls p.258
« Reply #2 on: May 16, 2010, 08:59:55 PM »
By my calculations, that is some seriously good looking bread!

Offline blue

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Re: Soft butter rolls p.258
« Reply #3 on: July 02, 2010, 01:03:17 PM »
I recognise those rolls ostwestwind!

A few months ago, before knowing anything about JH and 'Bread', I found what is described as a modification of this recipe on another website with 500gr flour and 1 tsp IDY. The result was truly lovely tasting rolls but I thought the texture too dense. It could very well have been my utter lack of experience or it might have been the quantity of yeast but I shall do them again using Ostwestwind's 7g quantity (which just happens to be the weight of the instant yeast sachets I use).
blue