Halloween Whoopie Pies

A white plate with a stack of 2 chocolate whoopie pies with Halloween sprinkles.

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Halloween Whoopie Pies made with soft, cakey sandwich cookies that have a rich and intense midnight colour coming from the black cocoa powder and a silk and smooth chocolate buttercream enhanced with black cocoa for a deep flavour and a spooky touch. Add Halloween sprinkles to the mix, and you get a delicious Halloween treat that everyone will enjoy.

Prep Time25

Cook Time11

Cooling Time30

Total Time1 6

Course: Dessert

Cuisine: American

Servings: whoopie pies

Calories: 354kcal

Author: Daniela Apostol

Ingredients

210 g plain flour ( 1 ⅔ cup)
30 g regular cocoa powder (2 tbsp)
30 g black cocoa powder (2 tbsp)
1 teaspoon baking powder
110 g salted butter, soft (1 stick)
200 g dark brown sugar (1 cup)
1 teaspoon vanilla extract
1 large egg
300 ml buttermilk

For the buttercream

150 g soft butter (⅔ cup)
250 g icing sugar ( confectioners' sugar, 1 ½ cup)
30 g black cocoa powder (2 tbsp)
15 g regular cocoa powder (1 tbsp)
15 ml milk ( 1 tbsp)

Instructions

To make the whoopie pies, preheat the oven to 190 degrees Celsius (375 Fahrenheit).
Add the soft butter and dark brown sugar to a large mixing bowl, and use a hand mixer to beat them together until you get a creamy texture.
Add the egg and beat again until it's fully incorporated.
Sift in the flour, cocoa powders and baking powder, add the vanilla extract and buttermilk, and use a spatula to mix well to get a thick batter.
Use an ice cream scoop of spoon to drop mounds of batter onto 2 baking trays, making sure you leave plenty of room between each pie.
Bake for 11 minutes until the whoopie pies spring back slightly when they are pressed gently.
Leave them to cool down completely.
To make the buttercream, add the soft butter and icing sugar to a large bowl, and use a hand mixer to cream them together.
Add the cocoa powders and milk, and beat again to a smooth texture.
Add the buttercream to a piping bag fit with a star noozle, and pipe cream onto the flat side of a whoopie pie, then top with another pie.
Dust them with Halloween sprinkles.

Video

Notes

Make sure the whoopie pies have cooled down completely before piping the buttercream on, it can be very messy if the buttercream warms up and starts melting.
You can fill the whoopie pies using a spoon too, but using a piping bag fitted with a star noozle with add a neater finishing touch. You can leave the sprikles out if you wish, or use any other Halloween sprinkle mix.
If you leave out the cocoa powder, you can use food colouring for a different Halloween touch: green, orange or purple are great colours, but make sure you increase the amount of icing used, so the ratio butter to icing is 1:2.

Nutrition