INGREDIENTS
1/2 cup
unsalted butter
12 ozs
semi-sweet chocolate
1 1/2 cups
flour
1/4 cup
unsweetened cocoa powder
1 1/2 tsp
baking powder
1/4 tsp
salt
1 1/4 cups
brown sugar
3
eggs
1 1/2 tsp
vanilla extract
1 cup
walnuts
2 cups
marshmallows
2 cups
powdered sugar
4 tbsp
unsalted butter
1/4 cup
unsweetened cocoa powder
1/4 cup
water
1/2 tsp
vanilla extract