01 -
Heat oven to 350°F (175°C).
02 -
Cream softened butter and sugar with electric mixer for 3 minutes until light and fluffy.
03 -
Mix in eggs and vanilla extract by hand until combined.
04 -
Sift cocoa powder, salt, and flour together in a separate bowl.
05 -
Fold dry ingredients into wet mixture by hand until well blended.
06 -
Grease an 8-inch pie pan with butter or non-stick spray.
07 -
Pour batter into pan and spread evenly.
08 -
Bake 30-35 minutes until edges are set but center is slightly wobbly.
09 -
Let cool slightly for warm serving, or completely for firmer texture.