Preheat oven to 375 and grease muffin tins (makes 12 total.)
Soak oats in buttermilk for an hour. don''t skimp on the time! Add egg, vanilla and sugar to the soaked oats, mix well.
Sift together dry ingredients, mix into wet ingredients. Add fruit and nuts. Drop into muffin tins.
Bake 20 minutes, or until a tester inserted into a muffin comes out clean.