Cinnamon Roll Muffins

Method

1. 1
   For the cinnamon paste: Mix the softened butter, brown sugar, and cinnamon until smooth and creamy. Set aside.
2. 2
   For the dry ingredients: In a bowl, combine the flour, baking powder, baking soda, and salt.
3. 3
   For the wet ingredients: In another bowl, whisk together the melted butter and sugar. Add the eggs and vanilla, and whisk until smooth.
4. 4
   Pour in the buttermilk and stir briefly. Add the flour mixture and fold until just combined.
5. 5
   Add half of the cinnamon paste to the batter and gently fold a few times to create a light swirl.
6. 6
   Divide the batter among muffin cups, filling them just below the rim.
7. 7
   Pipe or spoon the remaining cinnamon paste on top of each muffin in a swirl pattern.
8. 8
   Bake the muffins at 200°C (392°F) for 20-25 minutes, until golden brown and risen.