This homemade Pumpkin Spice Biscotti recipe is a cozy fall bake, easy to prepare, and perfect with coffee or tea. Made with pumpkin purée, warm spices, and toasted walnuts, these biscotti are crisp on the edges yet tender inside with a sweet cinnamon-sugar finish.
In a stand mixer, beat butter, granulated sugar, and brown sugar until fluffy, about 2–3 minutes. Add eggs one at a time, mixing well. Beat in pumpkin purée and vanilla.
In a separate bowl, whisk flour, baking powder, pumpkin pie spice, extra cinnamon, and salt. Gradually add to the wet mixture until combined. Fold in walnuts.
Line a sheet pan with parchment. Shape dough into one wide log, about 12 x 5 inches and ¾–1 inch thick. Flatten slightly on top.
Bake at 350°F for 28–32 minutes, until golden and set. Cool on the pan for 15 minutes.
Cut into 1 ½–2 inch wide biscotti with a serrated knife.
Lay slices cut-side down and bake 7–9 minutes per side, just until edges are crisp. Centers should remain tender.
Reduce oven to 300°F. In a small bowl, mix the sugar and cinnamon. Lightly brush biscotti tops with melted butter, sprinkle with cinnamon sugar, and return to the oven for 5–7 minutes until set. Cool completely on the pan before serving.
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Notes
Storage Store pumpkin spice biscotti in an airtight container at room temperature for up to two weeks.Freeze Freeze in zip-top bags for up to three months.Reheat: Reheat briefly in a low oven if you prefer them warm.Substitutions
Walnuts: Swap for pecans or omit for nut-free.
Pumpkin Pie Spice: Mix 3 teaspoon cinnamon, 1 teaspoon nutmeg, 1 teaspoon ginger, and ½ teaspoon cloves as a quick homemade substitute.
Adjustments Cooking time may need to be adjusted based on the geography of the area (high vs. low elevation), cookware (stoneware vs traditional bakeware), and outdoor temperature if grilling.Nutrition information is only an estimate