Rye flour
Rye flour is milled rye grain, sold as sifted, dark or wholemeal forms. Its starch and water-binding arabinoxylans shape rye breads, while its proteins do not form wheat's gas-trapping network.
Rugbrød
Danish sourdough rye bread
This Danish sourdough loaf combines wheat flour and kernels with rye flour and cracked rye, then rises in three tins before a long, low finishing bake.
A household recipe at the National Museum
The National Museum of Denmark presents this sourdough rugbrød as a recipe received by museum curator Lykke Pedersen in 1995 from her children's preschool teacher. Pedersen describes returning to it for its mildly sour taste and firm crumb, which she finds easy to slice. That account documents this particular household formula and its recent history; it does not make the recipe an unchanged medieval bread.
The museum traces the starter Pedersen used through a colleague and stepmother to relatives in Jutland. It does not date that culture or provide a separate starter-maintenance method beyond reserving dough from the bake and refrigerating it. This recipe therefore begins with an existing sourdough culture.
Sources for this section
Two-day mixing and a three-tin bake
The first-day mixture combines sourdough, lukewarm water, wheat flour, wheat kernels and a smaller amount of rye flour. It stands covered until the following day. The second-day mixture adds cut rye kernels and more rye flour, along with syrup, salt and lukewarm water. The museum calls the final dough porridge-like and directs the baker to reserve a portion for the next batch before filling three greased bread tins.
The source gives a 3–5 hour rise under a tea towel, followed by about 1½ hours at about 170°C on the oven's lowest shelf. The loaves then leave their tins for another half hour at 90°C. These are approximate settings from this published recipe, not a validated doneness limit. The formula gives no dough-temperature target or tin capacity. The museum recommends covering the baked bread and says it freezes well.
Sources for this section
Rye bread and Danish open sandwiches
Danish rye bread is commonly served as the base for open-faced sandwiches called smørrebrød. The Ministry of Foreign Affairs of Denmark describes that serving role and publishes a separate yeast-raised formula with different proportions and ingredients. That contrast is useful: rugbrød names a bread family, while this page records one sourdough recipe from the National Museum. Neither formula should be treated as the single universal version.
The National Museum's recipe includes both wheat and rye, plus whole wheat kernels and cut rye kernels. Its sourdough and long rise are defining features of this particular formula. Other Danish rye breads may use different grains, seeds, leavening or bake schedules.
Sources for this section
History
The National Museum of Denmark says its bread curator received this household formula from a preschool teacher in 1995 and describes the starter's family line as reaching relatives in Jutland. This documents a recent recipe and a reported starter lineage; it does not establish the age of the bread tradition or a birthplace.
Ingredients
Yield 3 loaves · Scaling: source batch only
Method
Risks and precautions · Standard risk
Pathogens in raw flour
Flour is a raw agricultural product and may carry harmful bacteria; uncooked dough should not be eaten.
Hazard sourceBake the dough through both stages described by the museum and do not taste it raw; wash hands, tools and surfaces after handling raw flour and dough.
Control sourceDo not taste the raw dough: flour can carry harmful bacteria. This recipe gives approximate oven settings and times but no validated internal-temperature endpoint.
- Day 1: Stir 2–3 dl sourdough starter into 1.5 L lukewarm water. Mix in 700 g wheat flour, 500 g wheat kernels and 150 g rye flour. Cover the bowl and leave the mixture until the next day.
- Day 2: Dissolve 3 tablespoons of syrup in 0.5 L lukewarm water. Stir this into the first-day mixture with 500 g cut rye kernels, 500 g rye flour and 3 tablespoons salt. The museum describes the resulting dough as porridge-like.
- Reserve 2–3 dl dough for the next sourdough batch and refrigerate it, as the museum directs. Divide the remaining dough among three greased rye-bread tins and cover them with a tea towel.
- Leave the tins to rise for 3–5 hours. The source does not give a dough temperature or a visual rise target.
- Bake on the oven's lowest shelf for about 1½ hours at about 170°C. Remove the loaves from their tins and bake them for a further ½ hour at 90°C.
- Take the loaves from the oven and cover them with a tea towel. Let them cool fully before slicing. The museum says the bread is suitable for freezing.
Conditions
Yield3 loaves
Temperature controlAmbient, monitored
Places
Denmark
Documented preparation · Country evidenceThe National Museum of Denmark publishes this formula as rugbrød; the country association describes the documented preparation and does not claim a precise birthplace.
Related
Made from
Equipment
Greased rye-bread tin
A greased rye-bread tin holds rugbrød dough while it proofs and bakes. Denmark’s National Museum documents a family recipe using three tins, but does not specify their material, shape or capacity.
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Sources
National Museum of DenmarkInspiration · Method · History · Geography
Rugbrød med surdejThe museum publishes a two-day sourdough rugbrød formula yielding three loaves, with wheat flour and kernels, rye flour and cut rye kernels, syrup, salt, reserved dough, a 3–5 hour proof and two-stage bake.
The curator says she received the household recipe in 1995 from a preschool teacher and describes the reported family lineage of her sourdough as reaching relatives in Jutland.
Cited in: A household recipe at the National Museum; Two-day mixing and a three-tin bake; Rye bread and Danish open sandwiches
Ministry of Foreign Affairs of DenmarkFood use
Danish Rye BreadThe ministry describes Danish rye bread as a base for open-faced sandwiches; its separate yeast-raised formula differs from the National Museum's sourdough recipe.
Cited in: Rye bread and Danish open sandwiches
U.S. Food and Drug AdministrationSafety
Handling Flour Safely: What You Need to KnowFDA says raw flour can carry harmful bacteria, baking is needed before consumption, raw dough should not be tasted, and hands, utensils and surfaces should be cleaned after handling raw flour.