Vanilla Chai Pumpkin Latte Cupcakes with Cinnamon Brown Sugar Frosting

Name: Vanilla Chai Pumpkin Latte Cupcakes with Cinnamon Brown Sugar Frosting
Prep time: 30 min
Cook time: 20 min
Total time: 50 min
Cuisine: American
Ingredients: 4 teaspoons ground cinnamon; 2 teaspoon ground ginger; 1 teaspoon ground cardamom; 1/2 teaspoon freshly grated nutmeg; 1/2 teaspoon all-spice; 1/2 teaspoon ground cloves; 1/8 teaspoon ground black pepper; 1/3 cup granulated sugar; 1/2 cup melted coconut oil ((melted butter or canola can be used)); 3/4 cup packed dark brown sugar; 1 tablespoon vanilla extract; 2 large eggs, at room temperature; 1 1/2 cups pumpkin puree; 1 1/2 cups all-purpose flour; 1 1/4 teaspoons baking powder; 1/2 teaspoon baking soda; 3/4 teaspoon kosher salt; 8 tablespoons salted butter, at room temperature; 1/4 cup heavy cream; 1/2 cup packed dark brown sugar; 2 teaspoons vanilla extract; 1/4 teaspoon cinnamon; 1 1/2 cups powdered sugar