Candied Sweet Potato Pancakes

Name: Candied Sweet Potato Pancakes
Ingredients: 2 cups all-purpose flour (about 8 1/2 ounces); 2 tablespoons light brown sugar; 2 1/2 teaspoons kosher salt; 1 1/2 teaspoons baking powder; 1 1/2 teaspoons baking soda; 3/4 teaspoon ground cinnamon, or more to taste; 1/8 teaspoon ground cloves, or more to taste; 2 1/4 cups buttermilk; 1/2 cup leftover mashed sweet potatoes; 2 large eggs; 1 1/2 teaspoons grated orange zest; 1/2 cup toasted walnuts, chopped; Unsalted butter, for greasing griddle and serving; 1/2 cup granola; Pure maple syrup, for serving