INGREDIENTS
2
Eggs, large
1 1/2 cups
All-purpose flour
3/4 tsp
Baking powder
1 1/2 tsp
Baking soda
3/4 cup
Cocoa powder, unsweetened
1/4 tsp
Salt
1 1/2 cups
Sugar
3/4 tsp
Vanilla extract, pure
18
Cupcake liners
1/3 cup
Butter, unsalted
1/4 cup
Sour cream
1/2 cup
Whole milk
1
bag Marshmallows, jumbo
3/4 cup
Water