Chocolate Chunk Brownies - cooking recipe

Ingredients

1/2 c. butter
1 c. sugar
2 eggs
1/4 c. unsweetened cocoa powder
1 tsp. vanilla
1/2 c. self-rising flour
1/2 c. walnuts (optional)
4 oz. semi-sweet chocolate squares

Preparation

Melt butter.
Add the sugar, eggs, cocoa, vanilla and flour. Coarsely chop the chocolate squares, keeping in large chunks.
Mix the chocolate and nuts with the batter.