Make sure all the ingredients are at room temperature or as stated above.
In a large bowl or in a bowl of your standing mixer (if using) mix flour and dried yeast. Follow with the remaining ingredients and start kneading.This dough has quite sticky consistency and depending on the flour you are using and also your pumpkin puree you might need a little bit more flour (I've added additional 2 tablespoon + some on the working surface) to get the dough which was quite silky and easy to work with.
Once finished kneading make your dough into a ball and put in a large, lightly oiled bowl. Cover and leave it in warm place for 45 min - 1hr until doubled in size.
When your dough is looking ready prepare your cinnamon butter filling. In a small saucepan melt your butter, add sugar and cinnamon and mix until well combined.
Put your proved dough onto lightly floured surface and stretch it or roll gently to the shape of rectangle (roughly 45 x 30cm). Spread butter mixture evenly all over the dough and slice into 4 equal size strips (lengthwise). Pile the strips on top of one another and cut into 6 equal pieces.
Place your 6 pieces "standing up" snuggly in your loaf tin and leave it covered for second proving (approx. 30 min). Bake in 180C/350F/Gas Mark 4 oven for approx 40 min. If you don't want your loaf to be too brown simply cover it with aluminium foil during first 20 min of baking. Once baked let it cool slightly in a tin before turning out and enjoy whilst still warm!
Notes
Nutritional information is approximate, per loaf and meant as a guideline only.
If you don't have vanilla sugar you can add 1 teaspoon of vanilla paste or extract or seeds scraped out from half vanilla pod. Check out this post for details on how to make your own vanilla sugar.
If using tinned pumpkin puree you might have to add a bit more milk as you knead the dough. Please take care and do it gradually and only if needed and not at the start.
If using homemade pumpkin puree which has got slightly more watery consistency, you might knead to add a little bit more flour. Again, do it gradually and only if needed.