Description
Cosmic Midnight Whoopie Pies are a stunning dessert featuring rich chocolate cakes filled with a colorful cosmic buttercream, perfect for any occasion.
Ingredients
Scale
- 2 cups (250 g) all-purpose flour
- ½ cup (60 g) unsweetened cocoa powder (dark or black cocoa for deep color)
- 1 ½ tsp baking soda
- ½ tsp salt
- 1 cup (200 g) granulated sugar
- ½ cup (120 ml) vegetable oil
- 1 large egg
- 1 cup (240 ml) buttermilk (or milk + 1 tbsp lemon juice)
- 1 tsp vanilla extract
- 1 cup (230 g) unsalted butter, softened
- 3 cups (360 g) powdered sugar
- 2–3 tbsp heavy cream or milk
- 1 tsp vanilla extract
- Gel food coloring (blue, purple, pink, black for galaxy swirl)
- Edible glitter or luster dust (optional, for starry effect)
- Fresh blackberries (optional)
- Sparkling sugar crystals
Instructions
- Preheat oven to 180°C (350°F). Line 2 baking sheets with parchment paper.
- In a bowl, whisk flour, cocoa, baking soda, and salt.
- In another bowl, whisk sugar, oil, egg, buttermilk, and vanilla until smooth.
- Fold dry ingredients into wet until just combined.
- Drop batter by spoonfuls (about 2 tbsp each) onto trays, spacing apart.
- Bake 10–12 minutes, until cakes spring back when touched. Cool completely.
- Beat butter until creamy. Add powdered sugar, cream, and vanilla.
- Divide frosting into 3–4 bowls, tinting each with different galaxy shades (blue, purple, pink, black).
- On a sheet of plastic wrap, spoon stripes of each color side by side. Roll up and twist ends to form a log.
- Place in piping bag to create a galaxy swirl effect when piped.
- Add edible glitter for sparkle.
- Pipe cosmic frosting onto the flat side of half the cakes.
- Top with remaining cakes to sandwich.
- Top with a blackberry and sprinkle with sugar crystals for a starry look.
Notes
- For a deeper chocolate flavor, use dark or black cocoa powder.
- Ensure the cakes are completely cool before adding the frosting to prevent melting.
- Experiment with different colors for the buttercream to create unique designs.
- Prep Time: 30 minutes
- Cook Time: 12 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 whoopie pie
- Calories: 250
- Sugar: 20g
- Sodium: 150mg
- Fat: 12g
- Saturated Fat: 6g
- Unsaturated Fat: 4g
- Trans Fat: 0g
- Carbohydrates: 35g
- Fiber: 2g
- Protein: 3g
- Cholesterol: 30mg