Weigh out the ingredients
I
You'll need flour, oatmeal, baking powder, baking soda, salt, sugar, brown sugar, butter, eggs, vanilla, buttermilk, and blackberries.
Make the batter
II
Make the batter by beating together the butter & sugars, then mixing in the eggs & vanilla. Mix in the buttermilk, then fold in the dry ingredients & blackberries.
Fill the muffin pan, top each with turbinado sugar & oats, then bake!
Bake!
III
Allow the muffins to cool in the pan for a few minutes then transfer to a wire rack to cool completely.
Cool on wire rack
IV
Enjoy these muffins immediately or freeze and enjoy throughout the week!
Enjoy!
V
If you would like customize these muffins, swap out the blackberries for your favorite berry :)
How to customize
VIII