Preheat the oven to 350 degrees F. Line a baking sheet with parchment paper or a baking mat.
In a small bowl combine the flour, oats, baking soda, and salt. Set aside.
In a medium bowl combine the butter, honey, and brown sugar mix with an electric mixer until well blended.
Add the egg and mix it in. Add the vanilla and blend in.
Add the flour mixture to the batter and mix just until the dry ingredients are mixed in.
Fold in the pecans and walnuts. Gently fold in the blueberries.
Drop by heaping teaspoons on the prepared baking sheet. With your fingertips press the dough slightly. If you prefer a thicker cookie this step is not needed.
Bake for 10 to 12 minutes or until the cookies are browned.
Remove from the oven and cool on the baking sheet for one or two minutes, then remove and cool completely on a cooling rack.