01 -
Heat oven to 350°F.
02 -
Cream butter and sugar with mixer until fluffy (3 minutes).
03 -
Mix in eggs and vanilla by hand.
04 -
Sift cocoa powder, salt, and flour together.
05 -
Fold dry ingredients into wet mixture by hand.
06 -
Grease 8-inch pie pan.
07 -
Pour and spread batter evenly.
08 -
Bake 30-35 minutes until edges set, center wobbly.
09 -
Cool slightly before serving warm.