Description

These Delicious Halloween Slime Cupcakes are a fun and spooky treat perfect for celebrating the season. Moist and fluffy cupcakes are topped with vibrant, gooey slime frosting made with colorful custard and buttercream icing, decorated with creepy candy eyes to delight kids and adults alike. Easy to make with common baking ingredients and ideal for Halloween parties or themed gatherings.

Ingredients

Scale

Cupcakes

200 g baking spread (Can use unsalted butter as a substitute.)
200 g caster sugar (Granulated sugar can be used if unavailable.)
3 eggs (Opt for free-range or organic for better quality.)
1 tsp vanilla extract (Use real vanilla for optimal taste.)
225 g self-raising flour (For a gluten-free option, use a gluten-free flour blend.)
1 tbsp black food coloring (Can be substituted with another food coloring if preferred.)

Slime Frosting

1 cup custard (Alternatively, use whipped cream or flavored pudding.)
100 g butter (Softened.)
250 g icing sugar (Ensure it’s sifted for a smoother consistency.)
2 drops green food coloring
2 drops yellow food coloring
1 pack candy eyes (Feel free to use other edible decorations.)

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Instructions

Prepare the Cupcake Batter: Preheat your oven to 180°C (350°F). In a large mixing bowl, cream together the baking spread and caster sugar until light and fluffy. Beat in the eggs one at a time, ensuring each is fully incorporated before adding the next. Stir in the vanilla extract smoothly.
Add Dry Ingredients and Color: Sift the self-raising flour into the wet ingredients gradually, folding it carefully to maintain batter fluffiness. Add the black food coloring and mix until the batter achieves an even dark color, perfect for a spooky Halloween theme.
Bake the Cupcakes: Line a cupcake tray with paper cases and divide the batter evenly among 12 portions. Bake in the preheated oven for 25-30 minutes or until a skewer inserted in the center comes out clean. Remove from oven and allow cupcakes to cool completely on a wire rack before decorating.
Make the Slime Frosting: In a mixing bowl, beat the softened butter until creamy. Gradually add the sifted icing sugar, continuing to beat until smooth and fluffy. Gently fold in the custard to create a creamy texture. Add the green and yellow food coloring drops to mimic the slime color and mix gently to achieve a marbled effect.
Decorate the Cupcakes: Using a spoon or piping bag, spread the slime frosting generously over each cooled cupcake to resemble oozing slime. Place candy eyes on top of the frosting randomly to create a spooky and fun appearance.
Serve and Enjoy: Arrange the slime cupcakes on a festive platter and serve immediately or store them in an airtight container at room temperature for up to 2 days to maintain freshness.

Notes

You can substitute baking spread with unsalted butter if preferred.
Granulated sugar can be used instead of caster sugar, but caster sugar yields a finer crumb.
For gluten-free cupcakes, replace self-raising flour with a gluten-free blend that includes raising agents.
If custard is not available, use whipped cream or flavored pudding to mimic the slime effect.
Make sure cupcakes are completely cooled before applying frosting to prevent it from melting.
Use fresh candy eyes or other edible decorations to customize the cupcakes as desired.
Store cupcakes in an airtight container to keep them moist and fresh for up to 2 days.