Mix vanilla and egg, beat until mixed. add the buttermilk and the baking soda; (i have used 7up®) and sift the dry ingredients into this. add the rest of the ingredients, mix well. put the container into the refrigerator chill over night.
Take out and roll small pieces of the dough into long strips, then form them into a figure eight,(like a pretzel) put them back into the refrigerator for about an hour, when they have raised to approximately what looks to be the right hight. bake in a 450 degree f pre-heated oven for approximately 6 to 8 minutes, (may vary with the weather so keep an eye on them) but they should be a light brown before you remove them.
Refrigeration is one of the keys of "kringla" making. they must be refrigerated in order for them to get the flavor, you could bake them without refrigeration but you lose a lot of the flavor. you can also use. a: oatmeal. b: raisins. c: whole wheat.