Icelandic Oatmeal Pancakes

Oatmeal pancakes are popular in Iceland. They are flavoured with cardamom. Here is the recipe:

1 1/2 cups cooked oatmeal
1 cup flour
2 teaspoons sugar
1/4 teaspoon salt
2 teaspoons baking powder
2 eggs
1 teaspoon cardamom
2 cups milk
1/3 cup raisins (optional)
butter

Stir the flour, sugar, salt and baking powder into the oatmeal.
Add the eggs and cardamom.
Add the milk.
If desired, add the raisins.
Add butter to a hot frying pan and prepare like pancakes.