Toast pecans in a dry skillet 5 minutes until fragrant. Cool completely.
Cream butter and both sugars until lightened.
Mix in egg and vanilla.
Add flour, baking soda, and salt.
Fold in chocolate chips and cooled pecans.
Scoop into 1 1/2-tablespoon portions. Refrigerate 30 minutes.
Preheat oven to 350°F. Bake 10–12 minutes until edges are golden.
Toasting the pecans enhances flavor—simply dry-toast them in a pan for 5 minutes before adding.
For uniform cookies, use a scoop and shape with a round cutter while still warm.