INGREDIENTS
Soft butter, for greasing the pan
Flour, for dusting the buttered pan
4
large eggs
1 cup
sugar, sifted
1 cup
brown sugar, sifted
1 cup
melted butter (2 sticks)
1 1/4 cups
cocoa powder, sifted
2 tsp
vanilla extract
1/2 cup
flour, sifted
1/2 tsp
salt
1 cup
chocolate chips
1/4 cup
peanut butter