Slowly add the marshmallow fluff 1-2 teaspoons at a time ... bag with whatever tip you'd like and add the frosting to the ...
If you added straight marshmallows into the frosting it would be a lumpy ... that it won't run or slide off of your cake or ...
The pumpkin cake is super simple — all you need ... Swap Option: You can use marshmallow fluff here as a frosting shortcut. Just spread about 1½ cups over the top and torch.