INGREDIENTS
1/2 cup
salted butter, at room temperature
1/4 cup
lightly packed brown sugar
1/2 cup
granulated white sugar
1
large egg white
1/2 tsp
vanilla extract
3/4 cup
all purpose flour
1/3 cup
unsweetened cocoa (I use Hershey's Special Dark)
3/4 tsp
baking soda
1/2 cup
semi sweet chocolate chips
1/2 cup
chopped Snickers candy bars
ice cream, for topping, optional