Top each muffin with a few additional blueberries and ... In a medium bowl, combine flour, rolled oats, brown sugar, cinnamon, and kosher salt. Cut in the softened butter and sourdough discard ...

Grease or line a standard 12-cup muffin tin with paper liners and set it aside. Step 2: Mix dry ingredients. In a small bowl, whisk together flour, baking powder, and kosher salt. Set aside.