On medium-low heat, melt the butter and sugar together in a pan
Stir until fully combined
Add the cocoa powder and mix well
Remove the pan from heat
Let the mixture cool for 5 minutes
Add the 4 eggs to the cooled mixture
Stir until fully combined
Add the flour and chocolate chips
Mix until everything is just combined
Scoop the batter onto a baking pan
Bake at 355°F (180°C) for 15 minutes
