Step 1

Preheat oven to 350 degrees.

Step 2

cream together butter and sugar with electric mixer until fluffy, about 3 minutes.

Step 3

Add eggs and vanilla and mix well.

Step 4

Add cocoa powder, salt and flour and stir until well combined.

Step 5

Grease 8 inch pie pan with butter or cooking spray, pour mixture into pie pan.

Step 6

Bake 30 to 35 minutes until center is set.