Heat oven to 325 degrees

Grease pan and set aside

In medium saucepan over low heat, melt chocolate chips and butter together until smooth

Remove from heat and pour into medium bowl

Add sugar and cocoa; mix until blended

Add eggs, one at a time mixing after each addition

Add flour and salt and mix well until blended

Pipe batter into pan and bake for 15-18 minutes unto toothpick comes out clean

Let cool and decorate as desired