Use unsalted butter softened to room temperature for best whipping results and to control saltiness., Add pumpkin purée slowly, a tablespoon at a time, to prevent butter from becoming watery., Start whipping on medium speed and increase as butter lightens; avoid overwhipping to prevent graininess., Adjust cinnamon or honey according to taste preferences., If chilled butter is too firm, let it sit at room temp for 15-20 minutes or stir vigorously before spreading., Maple syrup can be substituted for honey for a richer sweetness., Use store-bought pumpkin spice mix (2 teaspoons) instead of individual spices for convenience., Add 2 to 3 tablespoons of toasted chopped pecans for crunch and nutty flavor (optional)., For a tangier spread, substitute 2 to 4 tablespoons of butter with cream cheese (optional)., Add a teaspoon of bourbon or dark rum for a boozy twist (optional)., Make a vegan version by using plant-based butter and pure maple syrup., Store in an airtight container in the fridge and use within 10 to 14 days., Freeze in a freezer-safe container for up to 3 months; thaw and whip again for fluffiness.