Pumpkin Cinnamon Rolls

Name: Pumpkin Cinnamon Rolls
Prep time: 15 min
Cook time: 3 h 20 min
Total time: 3 h 20 min
Yield: 12 pieces
Ingredients: 700 g water; 500 g pumpkin flesh; 150 g unsalted butter; 280 g buttermilk; 1 tsp dried instant yeast; 80 g light brown sugar; 650 g strong white bread flour; 1 medium egg; 1 tsp vanilla extract; ½ tsp baking soda; 1 tsp fine sea salt; 1 Tbsp ground cinnamon; ½ Tbsp ground ginger; ½ tsp ground nutmeg; ½ tsp ground cloves; 1 tsp ground cardamom; 150 g caster sugar; 200 g cream cheese; 1 pinch fine sea salt