This is another recipe:

Mjuk pepparkaka

Spice Cake

Ingredients;
•100 grammes butter (6 tablespoons)
•2 egg
•2 1/4 decilitre = 1 cup light brown sugar
•2 3/4 decilitre = 1.2 cups wheat cake flour
•1 teaspoon baking soda
•1 1/2 teaspoons ground ginger
•2 teaspoons ground cinnamon
•1 1/2 teaspoon ground cloves
•1.5 decilitre = 3/4 cup sour cream

Preheat oven to 175°C (=350 ° F.)

Grease and flour cake pan.
Melt butter over low heat and cool.
Whisk eggs and brown sugar together.
In another bowl, whisk flour, baking soda, and spices until blended.
Add sour cream and melted butter into the egg and sugar mixture; stir until thoroughly blended.
Add flour mixture and stir to combine the ingredients.
Pour the batter into the pan and bake until a toothpick inserted into the center of the cake comes out clean, about 40 minutes.
Cool on a wire rack. Remove from pan.