Sweet Potato Pancakes with Honey Cinnamon Butter

Name: Sweet-Potato Pancakes with Honey-Cinnamon Butter
Ingredients: 1/4 cup unsalted butter, at room temperature; 1 1/2 teaspoons honey; 1/8 teaspoon ground cinnamon; 2 large eggs; 1 cup buttermilk, plus more if necessary; 2 1/2 tablespoons vegetable oil; 1 cup store-bought pancake mix; 1 small pinch ground nutmeg; 1 small sweet potato, boiled, peeled, and mashed (about 1 1/2 cups)