Pumpkin Cinnamon Sugar Soft Pretzels

Ingredients

• 2 ¼ teaspoons active dry yeast ((1 packet))
• 1 cup warm water ((110℉))
• 2 tablespoons light brown sugar
• ½ teaspoon kosher salt
• ½ cup pumpkin puree
• 4 cups all-purpose flour ((plus more for kneading))
• 1 teaspoon pumpkin pie spice
• 2 tablespoons unsalted butter ((softened))
• ¼ cup baking soda
• 8 cups water ((for boiling))
• ½ cup melted butter ((salted or unsalted))
• 1 cup granulated sugar
• 1½ tablespoons pumpkin pie spice