1. In a large bowl, beat together softened butter, brown sugar, and granulated sugar until fluffy.

2. Add eggs one at a time, mixing well. Stir in vanilla extract and maple syrup.

3. In another bowl, whisk together flour, oats, baking soda, salt, and cinnamon.

4. Gradually mix dry ingredients into the wet mixture. Fold in toasted pecans and any optional add-ins.

5. Cover and chill the dough in the refrigerator for 30 minutes.

6. Preheat oven to 350°F (175°C). Scoop dough onto parchment-lined baking sheets. Bake for 10–12 minutes.

7. Let cool on the sheet for 5 minutes, then transfer to a wire rack to cool completely.