01 - Preheat oven to 350°F. Line two baking sheets with parchment paper.
02 - In a medium bowl, whisk together flour, oats, baking soda, baking powder, salt, cinnamon, nutmeg, and cloves. Set aside.
03 - In a large bowl, cream together the butter, brown sugar, and granulated sugar with an electric mixer until light and fluffy, about 2–3 minutes.
04 - Add the egg and vanilla extract, mixing until incorporated.
05 - Mix in the pumpkin purée until smooth.
06 - Gradually add the dry ingredients to the wet mixture, stirring until just combined.
07 - Fold in the cranberries, raisins, and nuts.
08 - Scoop heaping tablespoons of dough onto the prepared baking sheets, spacing about 2 inches apart.
09 - Bake for 12–14 minutes, or until the edges are lightly golden and the centers are set.
10 - Cool on the baking sheet for 5 minutes, then transfer to a wire rack to cool completely.