3/4 cup chocolate chips or 3/4 cup
semisweet chocolate chunk
- preheat oven to 350.
- beat butter until it is creamy, add sugar then eggs, until blended.
- next add cocoa and vanilla, beat on low until blened.
- add flour slowly, beating well.
- stir in chocolate pieces.
- pour into well greases 13x9 pan bake at 350 for 30-35 min or until done.