Homemade Crescent Rolls with Walnuts

Ingredients

• 60 g milk (1/4 cup or 2.1 fl. oz.)
• 60 ml water (1/4 cup or 2.1 fl. oz.)
• 3 tbsp sugar
• 1 tsp active dry yeast (5g) or 10g fresh yeast
• 300 g all-purpose flour (2 1/2 cups or 10.6 oz)
• 1 egg
• 40 g sour cream (8 tsp or 1.4 oz)
• 60 g butter, softened at room temperature (2.1 oz)
• 2 tbsp brown sugar (Muscavado "light brown")
• 2 tbsp sugar
• 45 g whipping cream (1.6 oz)
• 1 tbsp butter
• 60 g chopped walnuts (or pecans) (1/2 cup or 2.1 oz)
• 25 g ground hazelnuts (1/4 cup)
• 1 tbsp chopped peeled almonds
• 1 tbsp chopped cacao nibs