Step 1
Preheat oven at 375 degrees. Fork soft butter with flour and oatmeal similar to making pastry dough. Then add other dry ingredients and mix.
Step 2
Mix sour cream and eggs. Add mashed bananas and vanilla.
Step 3
Mix wet ingredients into the dry.
Step 4
Put into muffin tins. Dust a little brown sugar into each muffin tin. Bake for 25 minutes. Enjoy.
