In a large bowl combine water, starter, and honey. Mix to combine.
Add in flour, butter and salt. Mix to combine and knead dough for about 5 minutes.
Place back into large mixing bowl, cover, and let rise for 8-10 hours (70F).
Lightly oil the bottoms your muffin tins.
After the bulk rise place dough onto the counter and separate into 12 pieces (about 75g each). Shape each into a round ball and place into oiled muffin tin. Cover and let rise for 1-2 hours.
In a small bowl combine cinnamon sugar ingredients. Add approximately 1/2 tbsp of mixture to the tops of each of the muffins. Using your fingertips lightly dimple the tops of the muffins.
Bake at 425 for 20-25 minutes.
Mix together glaze ingredients. Adding in heavy cream to your desired consistency.
Remove muffins from the tin and dip each muffin into the glaze.