In a skillet used to cook meatballs, melt butter over medium heat. Stir in flour to create a roux. Cook for about a minute stirring constantly. Deglaze the pan using some of the stack, and gradually whisk in the rest of the beef or vegetable broth. Once fully incorporated, add heavy cream while stirring until smooth. Cook the sauce until it thickens to the desired point. The sauce should generously coat the back of a spoon.
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<p>Swedish meatballs, known as "köttbullar" in Sweden, have a rich history that intertwines with both cultural and culinary traditions of Sweden. However, their story during the World Wars is particularly interesting, reflecting the broader context of Swedish society and economy during these tumultuous times.</p><p>Sweden remained neutral during World War I, but the war significantly impacted its economy and food supply. There were shortages of many food items, leading to rationing. During this period, Swedish households had to be more creative with their food resources. This likely led to variations in the meatball recipe, possibly including the use of less meat and more fillers like breadcrumbs or potatoes. After WWII, Swedish meatballs began to gain international recognition. This was partly due to increased travel and cultural exchange during the post-war period.</p><p>Originally, Swedish meatballs were made with a mixture of ground beef and pork, along with onions, breadcrumbs soaked in milk or cream, eggs, salt, and pepper. Sometimes, allspice or nutmeg was added for flavor. Due to economic constraints and food shortages during WWI and WWI , the meat content in the meatballs was often reduced. People began to use more fillers like breadcrumbs, rusk flour, and potatoes to extend the meat.</p><p>Over time, the ingredients in Swedish meatballs have shifted in response to economic conditions, availability of resources, and evolving culinary trends. From a simple meat and spice mixture to the incorporation of various fillers and substitutions during tough times, and back to richer, meat-heavy versions in more prosperous times, the evolution of Swedish meatballs mirrors Sweden's own historical and economic journey.</p>