01 - Preheat oven to 350°F (175°C) and line two baking sheets with parchment paper.
02 - In a medium mixing bowl, whisk together flour, baking soda, baking powder, salt, cinnamon, ginger, and nutmeg. Set aside.
03 - In a large bowl, cream unsalted butter, brown sugar, and granulated sugar with an electric mixer until light and fluffy, about 2–3 minutes.
04 - Beat in eggs one at a time, then blend in vanilla extract until fully combined.
05 - Gradually add dry mixture to the wet ingredients, mixing just until combined to avoid overmixing.
06 - Fold in rolled oats, diced pear, dried cranberries, and raisins until evenly distributed throughout the dough.
07 - Drop rounded tablespoons of dough onto prepared baking sheets, spacing each dough ball approximately 2 inches apart.
08 - Bake in the preheated oven for 11–13 minutes, or until edges are golden and centers appear slightly soft.
09 - Allow cookies to cool on baking sheets for 5 minutes before transferring to a wire rack to cool completely.