Bloody Syringe Cupcakes with Red Gel Filling

Total Time: 1 hr 10 mins Difficulty: Beginner
pinit

Introduction

Few Halloween treats are as chillingly fun and crowd-pleasing as Bloody Syringe Cupcakes. These rich chocolate cupcakes are filled with a sweet red gel that oozes out when bitten into, mimicking “blood.” To complete the creepy effect, each cupcake is topped with a frosting swirl and finished with a mini plastic syringe filled with the same red gel—making them interactive, festive, and downright spooky.

This recipe is a fantastic way to combine delicious flavor with playful Halloween theatrics. Imagine guests squeezing the syringes into their cupcakes for that dramatic, gory effect—it’s equal parts gross and delightful!

Why I Love This Recipe

I love this recipe because it’s a true Halloween showstopper. It goes beyond flavor (though the moist chocolate cake and creamy frosting are to die for!) and becomes an experience. Guests get a kick out of the presentation, especially kids and adults who love over-the-top Halloween desserts.

Plus, it’s versatile—you can play with flavors (red velvet, vanilla, or even pumpkin spice) and fillings (raspberry jam, strawberry sauce, or cherry pie filling). Every time I make these cupcakes, they instantly steal the spotlight on the dessert table.

Why This Is a Must-Try Dish

  • Creepy-cool factor: Syringes filled with “blood” take these cupcakes from ordinary to unforgettable.
  • Delicious combination: Moist cupcakes, rich frosting, and fruity filling = perfection.
  • Customizable: Change cupcake flavors, syringes, or fillings for different effects.
  • Perfect for parties: Fun for Halloween gatherings, horror movie nights, or themed birthdays.

Recipe Information

  • Preparation Time: 25 minutes
  • Cooking Time: 18–20 minutes
  • Assembly & Decorating Time: 25 minutes
  • Total Time: ~1 hour 10 minutes
  • Servings: 12 cupcakes
  • Calories: ~310 per cupcake
  • Course: Dessert
  • Cuisine: American, Halloween-themed

Ingredients

For the Cupcakes

  • 1 cup all-purpose flour
  • 1 cup granulated sugar
  • ½ cup unsweetened cocoa powder
  • 1 tsp baking powder
  • ½ tsp baking soda
  • ½ tsp salt
  • 2 large eggs
  • ½ cup vegetable oil (or melted butter)
  • ½ cup buttermilk
  • 1 tsp vanilla extract
  • ½ cup hot water or hot coffee (to intensify chocolate flavor)

For the Red Gel Filling

  • ½ cup seedless raspberry or strawberry jam (or red piping gel)
  • 2–3 drops red food coloring (optional, for a more “bloody” effect)

For the Frosting

  • 1 cup unsalted butter, softened
  • 3 cups powdered sugar
  • 2–3 tbsp heavy cream (adjust for consistency)
  • 1 tsp vanilla extract
  • Pinch of salt

For Decoration

  • 12 small plastic syringes (food-safe, 5–10 ml size)
  • Extra red gel or jam for syringes

Cooking Directions

  1. Bake the Cupcakes
    • Preheat oven to 350°F (175°C). Line a 12-cup muffin tin with cupcake liners.
    • In a large bowl, whisk flour, sugar, cocoa, baking powder, baking soda, and salt.
    • Add eggs, oil, buttermilk, and vanilla. Mix until smooth.
    • Stir in hot water/coffee until batter is thin.
    • Fill liners ⅔ full and bake for 18–20 minutes. Cool completely.
  2. Prepare the Red Gel Filling
    • Warm jam slightly, then stir in red food coloring until it resembles “blood.”
    • Transfer some into syringes, and reserve the rest for filling cupcakes.
  3. Make the Frosting
    • Beat butter until fluffy.
    • Gradually add powdered sugar, cream, vanilla, and salt. Beat until smooth and pipeable.
  4. Assemble the Cupcakes
    • Use a cupcake corer or small knife to cut a hole in the center of each cupcake.
    • Fill holes with red gel filling.
    • Pipe frosting over the top to cover the filled centers.
  5. Decorate
    • Insert a syringe filled with red gel into each cupcake.
    • Optionally, drizzle a little gel over frosting for a dramatic “blood splatter” look.

Step-by-Step Preparation Method

  1. Make cupcake batter → bake → cool.
  2. Mix jam/gel + food coloring → fill syringes + set aside.
  3. Whip buttercream → smooth + fluffy.
  4. Core cupcakes → fill with red gel.
  5. Frost cupcakes → swirl with piping bag.
  6. Insert syringe + drizzle with “blood.”

How to Serve

Serve cupcakes on a dark platter with fake cobwebs or scattered candy eyeballs for effect. Guests can squeeze the syringe before biting for maximum spooky drama! Perfect as a centerpiece for your Halloween dessert table.

Recipe Tips

  • Use gel food coloring for the deepest red.
  • Chill filled cupcakes before frosting to prevent gel from seeping out.
  • For a more realistic effect, splatter red gel across cupcakes using a clean brush or spoon.
  • Test syringes beforehand to ensure they work smoothly.

Variations

  • Red Velvet Cupcakes: Perfectly spooky red interior.
  • Pumpkin Spice Version: Swap cocoa powder for pumpkin pie spice + pumpkin puree.
  • Black Frosting: Tint frosting black for extra gothic appeal.
  • Different Fillings: Try cherry pie filling, pomegranate syrup, or chocolate ganache dyed red.

Freezing & Storage

  • Storage: Store in an airtight container in the refrigerator for up to 3 days. Syringes can be filled and added right before serving.
  • Freezing: Cupcakes (without filling/frosting) can be frozen for up to 2 months. Thaw before decorating.

Special Equipment Needed

  • 12 plastic syringes (food-safe)
  • Cupcake corer or small knife
  • Piping bag + star tip (for frosting)
  • Muffin tin + liners

Conclusion

Bloody Syringe Cupcakes with Red Gel Filling are the ultimate creepy-cute Halloween dessert. Moist chocolate cupcakes, gooey red “blood” centers, and playful syringes make them the perfect blend of flavor and fun. They’re scary-good, party-perfect, and sure to be the most talked-about treat on your Halloween table!

Bloody Syringe Cupcakes with Red Gel Filling

Difficulty: Beginner Prep Time 25 mins Cook Time 20 mins Rest Time 25 mins Total Time 1 hr 10 mins
Calories: 310 per cupcake kcal

Description

Few Halloween treats are as chillingly fun and crowd-pleasing as Bloody Syringe Cupcakes. These rich chocolate cupcakes are filled with a sweet red gel that oozes out when bitten into, mimicking “blood.”

Ingredients

For the Cupcakes

For the Red Gel Filling

For Decoration

Instructions

  1. Bake the Cupcakes: Preheat oven to 350°F (175°C). Line a 12-cup muffin tin with cupcake liners. In a large bowl, whisk flour, sugar, cocoa, baking powder, baking soda, and salt. Add eggs, oil, buttermilk, and vanilla. Mix until smooth. Stir in hot water/coffee until batter is thin. Fill liners ⅔ full and bake for 18–20 minutes. Cool completely.
  2. Prepare the Red Gel Filling: Warm jam slightly, then stir in red food coloring until it resembles “blood.” Transfer some into syringes, and reserve the rest for filling cupcakes.
  3. Make the Frosting: Beat butter until fluffy. Gradually add powdered sugar, cream, vanilla, and salt. Beat until smooth and pipeable.
  4. Assemble the Cupcakes: Use a cupcake corer or small knife to cut a hole in the center of each cupcake. Fill holes with red gel filling. Pipe frosting over the top to cover the filled centers.
  5. Decorate: Insert a syringe filled with red gel into each cupcake. Optionally, drizzle a little gel over frosting for a dramatic “blood splatter” look.
Keywords: Bloody Syringe Cupcakes with Red Gel Filling
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