Brownies

Ingredients:

• 3 sticks of butter
• 6 eggs
• 3 cups white sugar
• 9 tablespoons unsweetened cocoa powder
• 3 cups all-purpose flour
• 3 teaspoons vanilla extract 
• 1 ½ cup chopped walnut 
• Salt to taste
• confectioner's sugar 

Preparation:

1. Preheat oven to 350 degrees F (175 degrees C). Grease and flour an 8 inch square pan.
   
2. In a large saucepan, melt the butter.  Remove from heat, and stir in unsweetened cocoa powder, sugar and flour.  Move well. Then, add the eggs, one by one, salt, vanilla and nuts.
3. Bake in preheated oven for 30 minutes.  Do not overcook.
4. A time after, remove the pan from the oven and cut the dough into squares, sprinkling with confectioners' sugar on top.