2/3 cup of melted butter (150g)
1/3 cup of cocoa
2 eggs
3/4 cup of sugar (170g caster sugar)
1/2 cup of flour (63g)
1 teaspoon of baking powder
1 teaspoon of vanilla
1 cup of chocolate chips
1 cup of chopped nuts (optional)
You also will need 2 mixing bowls, a whisk, a spatula, 9“x9” glass pan and cooking spray.