Delicious and Sweet Herman Cinnamon Rolls

Ingredients

• 1 cup Herman sourdough starter
• 1 cup warm milk
• 1/2 cup sugar
• 1/3 cup melted butter
• 1 tsp salt
• 4 cups flour
• 1/4 cup melted butter
• 2 tbsp ground cinnamon
• 1/2 cup raisins or chopped nuts (optional)
• 1 cup powdered sugar
• 1 tsp vanilla extract
• 2-3 tbsp milk