Step 1: Preheat the Oven

• Preheat oven to 375°F (190°C).

• Line baking sheets with parchment paper.

Step 2: Prepare Dry Ingredients

• In a medium bowl, whisk together flour, baking soda, and salt. Set aside.

Step 3: Cream Butter and Sugars

• In a large bowl, beat butter, granulated sugar, and brown sugar until light and fluffy, about 2–3 minutes.

Step 4: Add Eggs and Vanilla

• Add eggs one at a time, mixing well after each addition.

• Stir in the vanilla extract.

Step 5: Combine and Mix

• Gradually add the dry ingredients to the wet mixture.

• Mix just until combined. Do not overmix.

Step 6: Fold in Chips and Walnuts

• Stir in chocolate chips and chopped walnuts evenly throughout the dough.

Step 7: Scoop and Bake

• Drop rounded tablespoons of dough onto prepared baking sheets, spacing about 2 inches apart.

• Bake for 8–10 minutes, or until edges are golden and centers look set.

Step 8: Cool and Serve

• Let cookies cool on the baking sheet for 2 minutes.

• Transfer to a wire rack to cool completely.