Preheat oven to 350 degrees.

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

Add eggs and vanilla and mix well.

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

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

Bake 30 to 35 minutes until center is set.

Hand mix to make it gooey, because if you use a mixer, it will have more of a brownie or cake texture, rather than “gooey”.