INGREDIENTS
3
Eggs, large
1 3/4 cups
All-purpose flour
1 1/2 tsp
Baking powder
1 1/4 cups
Brown sugar
1
Chocolate bar, large
1/4 cup
Cocoa powder
1/4 tsp
Salt
340 g
Semi-sweet chocolate
1 tsp
Vanilla extract
1/2 cup
Butter, unsalted
25
Marshmallows, large