- 3/4 cup butter
 - 3/4 cup chocolate chips
 - 2/3 cup unsweetened cocoa powder
 - 1 1/2 cups sugar
 - 1 cup flour
 - 1/2 teaspoon baking powder
 - 1/2 teaspoon vanilla extract
 - 4 eggs
 - 3/4 cup chopped walnuts
 
- Preheat oven to 350 degrees.
 - Butter a 9″x9″ square baking pan.
 - In a double boiler over low heat, melt butter and chocolate chips together and remove from heat.
 - In a separate bowl, combine dry ingredients.
 - When the chocolate/butter mixture has cooled a little whisk in the eggs and vanilla.
 - Note: it is important to cool the chocolate/butter mixture or the eggs will cook.
 - Add the dry ingredients and whisk to combine.
 - Stir in the chopped walnuts.
 - Pour batter into prepared baking pan.
 - Bake for 40-45 minutes or until a knife inserted into center comes out clean.