Easy Overnight Danish Rye (Rugbrød)

*Edited on February 3, 2020 to include affiliate links and to add 10 minutes to the baking time once the loaf is removed from the pan.

In the world of Nordic cuisine, this dense rye bread is an absolute essential. It serves as the base for most open sandwiches, and is an integral part of the Scandinavian diet, not just in Denmark but throughout the region. Rugbrød can be difficult to find here in the United States. Unless you live near a good Scandinavian bakery, it’s likely that the only rye you are able to find is something more like pumpernickel or a deli rye which are definitely not the same thing as rugbrød. If you want an authentic Danish rye, you are probably going to have to make it yourself.

What is Rugbrød?

Rugbrød simply means “rye bread” in Danish. It is a sturdy, dense loaf that is comprised of rye flour, chopped rye grains and is often studded with sunflower, pumpkin and/or flax seeds. It is almost always baked in a 13 x 4 inch pullman pan with a lid. This helps the rye bread bake properly and gives it its characteristic square shape.

Rye breads, particularly those baked here in America, often have a variety of ingredients added to them to enhance their color (making them darker in appearance) and flavor. Common additions include caramel coloring (no thank you), stout beer, cocoa powder, espresso powder and molasses. Rugbrød, in contrast, has very little additional flavoring, perhaps just a little molasses for sweetening. It is meant to be a very straightforward bread so that it can serve as a neutral base for a variety of different sandwich toppings. Sometimes I will come across a rugbrød recipe that calls for flavor enhancers such as caraway, fennel or anise seed in the dough, but this seems to be more of an exception than the rule. Again, simple is the name of the game here.

When it is served, Rugbrød is typically sliced thin (a little less than a quarter of an inch) and buttered liberally with salted butter. There is actually a word in Danish, tandsmør, which means “tooth butter”. It refers to buttering your bread generously enough so that when you bite into it you can see your teeth marks in it. You butter lovers know what I’m talking about. It may be enjoyed as is, simply slathered with butter, or it can be piled with additional ingredients to form the base of smørrebrød, the famous Danish open sandwich.

What Makes Rye So Special?

Rye has many unique qualities that make it quite different from wheat, both as a whole grain and in flour form:

• Rye has historically been important for the Nordic region as it is a hearty plant that can tolerate poor soil and weathers cold and wet conditions better than most grains. It was the primary grain relied upon for bread-baking in the north for centuries and is still popular today.
• Rye flour has less gluten than wheat flour. Gluten strands form the structure of bread and trap gases produced by the yeast so that your bread leavens properly. Because gluten doesn’t form well when rye flour is mixed with water, rye breads are always more dense in structure and have a closer crumb that wheat breads.
• Rye flour holds more water than wheat flour and contains certain enzymes that convert starch to sugar. This can cause rye breads to be overly moist and have a gummy texture if not handled and baked properly.
• Rye breads get better with a little age. Unlike wheat breads which are best eaten shortly after cooling, both the texture and flavor of rye bread improves after a rest of 24-36 hours.
• An interesting fact: There is a fungus called ergot that can attack rye plants causing the grains to become highly toxic to humans and trigger hallucinations if ingested. Some historians believe that ergot-infested rye was the cause of the hallucinations that led to the Salem witch trials in Massachusetts in 1692. Fortunately, modern industrialization has all but eliminated any risk of ergot-infected rye as any diseased grains are removed prior to processing.

Rye’s unique qualities can make it challenging to use in a bread recipe. When I make Danish rye at home, I use a sourdough starter which is the traditional way to make it. The starter contributes certain acids to the dough which help neutralize some of the negative effects of the enzymes that can cause the bread to have a gummy texture. But I know a lot of people don’t keep starters and may not be up to the commitment that it involves. So I really wanted to find an easy rugbrød recipe, one that relied solely on commercial yeast rather than a sourdough starter for leavening.

I tried several. Some were total disasters and inedible. I’m talking sunken, raw in the center, straight into the trash bad. A few came out okay, but they were not even close to the quality of my sourdough loaf which I consider to be the gold standard. I knew I could come up with something better. I worked my way through several pounds of rye flour, testing and tweaking, until finally finding a consistently successful loaf that had the look and texture of authentic rugbrød. The keys turned out to be a mixture of wheat and rye flour in the dough (in order to help create a gluten structure to hold the bread aloft and keep it from sinking in the center) AND a method of baking that relies on using a few different oven temperatures during the course of the baking time. This helps prevent the enzymes that produce a gummy texture from developing by keeping the bread from spending too much time in the temperature zone where their formation is the most favorable.

If you make your own smørrebrød at home or would like to, please give this bread a try. Bursting with rye, whole grains and a variety of tasty seeds, it is one of the most delicious and nutritious breads out there. And using it as a base for a Nordic open sandwich will give you a true taste of authenticity. If you are new to smørrebrød, there are several open sandwich recipes on the blog to get you started:

• New Potato Smørrebrød with Garlic Aioli and Crispy Shallots
• Balsamic-Glazed Mushroom Smørrebrød with White Bean Puree
• Roasted Butternut Squash Smørrebrød with Spicy Harissa Mayo and Pepitas
• Roasted Salmon Smørrebrød with Creamy Mustard Dill Sauce and Pickled Beets
• Smoked Salmon and Fennel Salad Smørrebrød
• Chickpea Salad Smørrebrød
• Easy Garden Tomato Smørrebrød
• Beet and Celery Root Cake Smørrebrød with Herbed Yogurt Sauce
• Caramelized Leek and Snap Pea Salad Smørrebrød
• Italian Salad and Ham Smørrebrød

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