Ingredients

• Unsalted butter - 1 cup
• Granulated sugar - 2 cups
• Brown sugar - ½ cup
• Vanilla extract - 1 teaspoon
• Large eggs - 4
• All-purpose flour - 1 cup
• Unsweetened cocoa powder - ¾ cup
• Salt - ½ teaspoon
• Baking powder - ½ teaspoon
• Chopped walnuts - 1 cup
• Chocolate chips - 1 cup

Instructions

1. 1.

   Preheat the oven to 180°C (350°F) and grease a 9x13 inch baking pan.

2. 2.

   Melt the butter in a saucepan over low heat, then remove from heat and stir in granulated sugar, brown sugar, and vanilla extract.

3. 3.

   Beat in the eggs, one at a time, until the mixture is smooth.

4. 4.

   In a separate bowl, combine flour, cocoa powder, salt, and baking powder.

5. 5.

   Gradually add the dry ingredients to the wet ingredients, mixing until just combined.

6. 6.

   Fold in the chopped walnuts and chocolate chips.

7. 7.

   Pour the batter into the prepared baking pan and spread evenly.

8. 8.

   Bake for 30-35 minutes, or until a toothpick inserted into the center comes out with a few moist crumbs.

9. 9.

   Allow to cool in the pan before cutting into squares and serving.

Nutritional Facts