Blackberry-Stuffed Pretzel Roll with Smoked Mozzarella Fondue - Oregon Raspberries & Blackberries

Ingredients

• 2 ½ cups all-purpose flour
• 1 teaspoon salt
• 1 teaspoon sugar
• 1 packet (2 ¼ teaspoon) instant yeast
• 1 cup warm water
• 1 cup fresh or frozen Oregon blackberries
• 2 tablespoons baking soda
• Flake salt or pretzel salt for sprinkling
• Swedish pearl sugar for sprinkling
• 1 ½ cups milk
• 8 ounces smoked mozzarella, shredded
• 8 ounces Monterey jack cheese, shredded
• 1 tablespoons cornstarch
• 2 tablespoons dry white wine or beer
• Pinch of freshly grated nutmeg