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Dark Rye Bread
Dark rye bread based on 100 lbs. of flour may be made as follows:
Formula Hard clear flour, 75 to 80 lbs.
Dark rye flour, 25 to 30 lbs.
Water, 56 to 58 lbs. (variable).
Salt, 13/4 to 2 lbs.
Malt extract, 1½ to 2 lbs.
Yeast, 1½ to 1¾ lbs.
Method Dissolve the yeast and malt extract in 3 qts. of water and place to one side. Put the balance of water and the salt into a mixer and stir. Add the flour, begin mixing, and then add the yeast. Mix until the dough is smooth. The dough should have a temperature of from 78 to 80 degrees when mixed. Fermentation If a 4½ hour fermentation period is required to mature the dough, this period may be divided as follows: First rising, 2½ hours; second rising, 1¼ hours; third rising, ½ hour. Allow the dough to rest 15 minutes, when it should be divided. Do not give rye bread too much proof before it goes into the oven, as this is liable to cause the dough to collapse and produce a flat bread.
A commercial trade formula written for a bakery mixer and 100 lb of flour. Everything scales cleanly if you treat the flour weight as 100 percent.
- Scaling downDivide every weight by 100 to get baker's percentages, then multiply by the flour weight you want. For a two-loaf home batch of 500 g total flour: 375-400 g clear flour, 100-125 g dark rye, 280-290 g water, 9-10 g salt, 8-10 g malt extract, 8 g fresh yeast (about 3 g instant).
- Hard clear flourClear flour is the lower-grade, higher-ash stream left after patent flour is milled out of hard wheat. It is darker and slightly stronger-tasting, and it was the standard partner for rye in American bakeries. High-gluten bread flour is the closest substitute; a tablespoon or two of whole wheat per pound brings back some of the ash and colour.
- The fermentation timingsThe printed page gives a 4½ hour fermentation, divided as 2½ hours, 1¼ hours and ½ hour, which is what our text now reads. Those three stages add to 4¼ hours, so allow a little extra on one of the risings if you want the full period.
- Malt extractBarley malt syrup, here for crust colour, flavour and, if diastatic, a little enzymatic activity on a dough with no added sugar. The recipe does not specify which type; non-diastatic malt or even molasses will give the colour but not the enzyme effect. At 1.5-2 percent of the flour it is a working quantity, not a garnish.
- Hydration56-58 percent is stiff by modern standards, which is deliberate for a dough that has to be machine-divided and hold its shape. Expect a dense, tight crumb rather than an open one. If you soften it toward 62 percent, shorten the final proof further.
- Dough temperature78-80F at the end of mixing is the whole schedule's foundation. Adjust the water temperature to hit it, and keep the bulk fermentation in that same range or the 4¼ hours will not line up with the dough's actual maturity.
- The hinge: underproof itThe closing sentence is the one that matters. Rye's pentosans hold water but give little gluten support, so a fully proofed rye loaf collapses in the oven. Load it when it has risen about three quarters of the way and still springs back when pressed.
- BakingNo oven instruction is given. Bake dark rye hot and with steam for the first ten minutes: 450F falling to 400F, roughly 35-45 minutes for a 1½ lb loaf, to an internal temperature near 205F. Let it cool completely before slicing, and ideally rest it a day; rye crumb sets slowly.
- YieldThe full formula makes roughly 165 lb of dough, or about 110 loaves scaled at 1½ lb. The home-scale version above gives two small loaves.
Baker's Weekly was a trade paper for working bakeshops, and this reads like it: a formula on a 100 lb flour base, a fermentation schedule to the quarter hour, and no word about the oven because every baker reading it knew his own. Dark rye at 25-30 percent of the flour was the American compromise on European rye bread, built on hard wheat clear flour so it would still handle like wheat dough in a mechanical mixer and divider. That style spread through the Jewish and Central and Eastern European bakeries of northern cities in the late nineteenth and early twentieth centuries, where rye was the everyday loaf, and malt extract supplied colour and a whiff of sweetness. The formula closes with a warning against overproofing.