Sweet Potato Buns
1 (.25 ounce) package dry active yeast (such … 1 egg 1 large egg 1 tablespoon sesame seeds, or to taste 1 teaspoon water 1 ¼ teaspoons fine sea salt 2 teaspoons honey 3 tablespoons melted butter 3 ¼ cups all-purpose flour, or more as needed ½ cup all-purpose flour ½ cup warm water ½ pound sweet potatoes, peeled and cubed