Mini Pumpkin Doughnut Muffins

Ingredients

• 1 can (15 ounces) pumpkin puree
• 2 teaspoons pumpkin pie spice
• ½ teaspoon ground ginger
• 3 cups all-purpose flour
• 2½ teaspoons baking powder
• ¼ teaspoon baking soda
• ½ teaspoon salt
• ½ cup melted butter or coconut oil
• ¾ cup dark brown sugar
• 2 large eggs
• 1 cup plain yogurt (not Greek)
• Cinnamon Sugar Topping
• ¾ granulated sugar
• 1 tablespoon ground cinnamon
• ¼ cup melted butter or coconut oil