The dough for this pumpkin cinnamon roll recipe is buttermilk-based. Although I’ve made non-buttermilk sweet rolls, for the softest, lightest, and most tender rolls, I swear by buttermilk. Between the buttermilk, butter, and egg, the dough rises beautifully and it’s my favorite dough base. Check out my other Buttermilk Recipes if you're looking for ways to use the rest of your buttermilk!