Soak together buttermilk and oats for 1/2 to 1 hour. Mix with mixer thoroughly the butter and brown sugar. Add egg and mix. Place flour, baking powder, baking soda and salt together in a bowl. Stir flour mix into
butter mixture alternating with oats and buttermilk until mixed.

Fill greased or paper lined muffin tins 2/3 full. Bake at 400* for 15-20 minutes until toothpick comes out clean.