# What You'll Need:
→ Dry Ingredients
01 - 1 cup all-purpose flour
02 - 1/2 cup unsweetened cocoa powder
03 - 1/2 teaspoon salt
04 - 1/2 teaspoon baking powder
→ Wet Ingredients
05 - 1 cup unsalted butter
06 - 2 cups granulated sugar
07 - 4 large eggs
08 - 2 teaspoons vanilla extract
→ Add-ins
09 - 1 cup chopped walnuts
10 - 1/2 cup semisweet chocolate chips (optional)
# Directions:
01 - Preheat oven to 350°F. Grease a 9x13-inch baking pan or line with parchment paper.
02 - Place the butter in the baking pan and melt in the oven. Remove and stir granulated sugar into the melted butter until combined.
03 - Add eggs one at a time, mixing well after each addition. Stir in vanilla extract.
04 - Sift flour, cocoa powder, salt, and baking powder over the wet mixture. Gently fold with a spatula until just combined.
05 - Fold in chopped walnuts and optional chocolate chips, ensuring even distribution.
06 - Spread batter evenly in the prepared pan.
07 - Bake for 28 to 32 minutes until a toothpick inserted in the center comes out with moist crumbs.
08 - Allow to cool completely in the pan before cutting into 12 squares.