01 -
Preheat your oven to 375°F (190°C). Grease a muffin tin.
02 -
On a lightly floured surface, roll out the puff pastry sheet to smooth any creases. Brush the entire surface of the puff pastry with melted butter.
03 -
Starting from one end, tightly roll up the puff pastry to form a log. Cut the log into 1-inch slices.
04 -
Take each slice and gently twist it to form a spiral. Place each twisted slice into a greased muffin tin cavity, with the cut side facing up.
05 -
Bake in the preheated oven for 20-25 minutes, or until golden brown and puffed.
06 -
While the cruffins are baking, mix together the granulated sugar and ground cinnamon in a shallow bowl. Once the cruffins are done baking, remove them from the oven and let them cool for a few minutes. Brush each cruffin with melted butter, then roll in the cinnamon-sugar mixture until well coated.
07 -
If desired, fill a piping bag with dulce de leche or chocolate spread. Insert the tip into the center of each cruffin and squeeze gently to fill.