you’re ready to mix up your brownies.
melt butter over low heat in a saucepan. this can be done in the microwave too, but i find that i can control the melting process much easier by doing it on the stove. do whatever works best for you.
once the butter is completely melted, remove the saucepan from the heat. add the cocoa and mix until the two ingredients are blended well.
next, add the sugar and mix again until well blended with the cocoa and butter mixture. eggs are added one at a time. be sure each egg is blended well into the batter.
stir into the batter the remaining ingredients: pure vanilla extract, 