# What You Need:
→ Dry Ingredients
01 - 2 1/4 cups all-purpose flour
02 - 1/2 teaspoon baking soda
03 - 1/2 teaspoon salt
→ Wet Ingredients
04 - 1 cup unsalted butter, melted and slightly cooled
05 - 1 1/4 cups packed light brown sugar
06 - 1/2 cup granulated sugar
07 - 2 large eggs, room temperature
08 - 2 teaspoons pure vanilla extract
→ Add-Ins
09 - 2 cups semisweet chocolate chips
10 - Optional: 1/2 cup chopped walnuts or pecans
# How To Make It:
01 - Preheat oven to 350°F (175°C) and line a 9x13-inch baking pan with parchment paper, leaving an overhang.
02 - Whisk together flour, baking soda, and salt in a medium bowl; set aside.
03 - In a large bowl, blend melted butter, brown sugar, and granulated sugar until smooth and creamy.
04 - Add eggs one at a time, mixing thoroughly after each addition, then stir in vanilla extract.
05 - Gradually fold the dry ingredients into the wet mixture until just combined, avoiding overmixing.
06 - Gently fold in chocolate chips and nuts if using.
07 - Spread dough evenly into prepared pan and smooth the surface with a spatula.
08 - Bake for 23 to 28 minutes until edges are golden and center is set but still soft to retain gooey texture.
09 - Remove from oven and cool completely in pan on wire rack; lift out using parchment overhang and cut into bars.
