Step 1: Toast the Pecans (Optional but Recommended)

1. Preheat oven to 350°F (175°C).
2. Spread chopped pecans on a baking sheet and toast for 5-7 minutes, stirring once.
3. Remove from oven and let cool.

Step 2: Make the Dough

1. In a large mixing bowl, cream butter, granulated sugar, and brown sugar until light and fluffy.
2. Mix in vanilla extract and salt.
3. Gradually add flour, mixing until just combined.
4. Fold in toasted pecans until evenly distributed.

Step 3: Shape & Chill

1. Roll the dough into a log (about 2 inches thick) and wrap in plastic wrap.
2. Chill in the refrigerator for at least 1 hour (or up to 3 days).
3. Preheat oven to 350°F (175°C) and line a baking sheet with parchment paper.

Step 4: Slice & Bake

1. Slice dough into 1/4-inch thick rounds and place on prepared baking sheet.
2. Bake for 12-15 minutes, or until edges are lightly golden.
3. Remove and let cool on the sheet for 5 minutes, then transfer to a wire rack to cool completely.