Step 1: Make the Dough

1. Mix the Ingredients: In a large mixing bowl, whisk together flour, sugar, yeast, and salt.
2. Add Wet Ingredients: Pour in the warm milk and add the softened butter.
3. Knead the Dough: Mix until combined, then knead for 8-10 minutes until a smooth, elastic dough forms. (If using a stand mixer, knead with the dough hook on medium speed.)
4. First Rise: Cover the bowl with a clean towel and let the dough rise in a warm place for 1-2 hours, or until doubled in size.

Step 2: Roll and Layer

1. Prepare the Surface: Lightly flour your work surface and roll out the dough into a large, thin rectangle (about 12×18 inches).
2. Spread the Butter: Evenly spread the softened butter over the entire surface of the dough.
3. Roll the Dough: Starting from one long edge, tightly roll the dough into a log.
4. Slice and Twist:
   • Use a sharp knife or bench scraper to slice the log lengthwise (creating two long strips).
   • Take each strip, twist it into a spiral, and then coil it into a muffin shape.
   • Place the shaped cruffins into greased muffin tins.

Step 3: Second Rise

1. Cover and Rest: Loosely cover the cruffins with plastic wrap or a towel.
2. Let Them Puff Up: Allow the cruffins to rise for 30-45 minutes, until they look airy and puffy.

Step 4: Bake the Cruffins

1. Preheat the Oven: Set your oven to 375°F (190°C).
2. Bake: Place the muffin tin in the oven and bake for 20-25 minutes, or until the cruffins are golden brown and flaky.

Step 5: Coat in Cinnamon Sugar

1. Melt the Butter: While the cruffins are still warm, brush them with melted butter.
2. Mix the Coating: In a bowl, combine granulated sugar and cinnamon.
3. Coat the Cruffins: Roll each cruffin in the cinnamon sugar mixture or generously sprinkle over the top.