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Copper Sun Companion Series

Nordic dark rye bread

June 29, 2026 · 1 min read

A sliced loaf of dense dark Danish rye bread packed with seeds on a wooden cutting board
Serving suggestion — your result will vary

Dark rye bread — rugbrød in Danish — is the most Nordic loaf there is, and the base of nearly every open-faced sandwich in the region. It's dense, seedy, and faintly sour, nothing like fluffy white bread, and a thin slice goes a long way. This is a simplified yeasted version; rye dough is a wet batter you stir rather than knead, so it's far easier than it looks.

The hardest part is waiting to slice it. Rye firms up dramatically as it cools, and a warm loaf will crumble.

16 servingsPrep 20 minCook 75 min~180 cal / serving

Ingredients

  • 2 cups whole rye flour
  • 1.5 cups cracked rye or rye berries (or more rye flour)
  • 1 cup mixed seeds (sunflower, pumpkin, flax)
  • 1.5 cups buttermilk or kefir
  • 1.5 cups water
  • 1 packet (2.25 tsp) instant yeast
  • 1 tablespoon honey or molasses
  • 2 teaspoons salt

Steps

  1. Stir the yeast and honey into the lukewarm water and let it sit 5 minutes until foamy.
  2. In a large bowl, combine the rye flour, cracked rye, seeds, and salt. Add the buttermilk and the yeast mixture and stir to a thick, wet, sticky batter (rye dough is not kneaded like wheat).
  3. Scrape into a greased loaf pan, smooth the top, cover, and let rise in a warm spot 1.5–2 hours until slightly domed.
  4. Heat the oven to 350°F (175°C). Bake 70–80 minutes, until the loaf sounds hollow and reaches about 200°F inside. Tent with foil if the top darkens too fast.
  5. Cool completely in the pan, then turn out. Wait until fully cool — ideally a day — before slicing thin; rye firms up as it rests.
Per serving (approx): 28 g carbs · 6 g fiber · 7 g protein · 4 g fat

Notes and swaps

Whole rye and a generous load of seeds are what make this bread filling and high in fiber, central to Nordic whole grains. Buttermilk or kefir adds the gentle tang of a traditional sourdough rye without a starter; if you keep a rye starter, you can use it in place of the yeast. Cracked rye (or rye berries soaked overnight) gives the classic chew, but extra rye flour works. It keeps for a week wrapped at room temperature and freezes well sliced.

Tell Nordic Diet Companion "rye bread with cheese" and it reflects how the whole grains fit your Nordic week — no weighing, no counting.