Sweet-Potato Pancakes with Honey-Cinnamon Butter

INGREDIENTS

• 2 large eggs
• 1 small sweet potato, boiled, peeled, and mashed (about 1 1/2 cups)
• 1 small pinch ground nutmeg
• 1/8 teaspoon ground cinnamon
• 2 1/2 tablespoons vegetable oil
• 1 cup store-bought pancake mix
• 1/4 cup unsalted butter, at room temperature
• 1 1/2 teaspoons honey
• 1 cup buttermilk, plus more if necessary