Purple Drip Cake – Bold Color, Soft Texture, and a Fun Finish
There’s something unexpectedly fun about baking with purple—it’s not a color you see every day in cakes, but when it’s done right, it absolutely stands out.
A purple drip cake doesn’t need a reason. It’s playful, modern, and surprisingly easy to make if you break it down into simple steps.
You need to start with a soft cake base—vanilla, lemon, or even blueberry sponge works well.
I suggest keeping the inside light in flavor so the color and drip shine. For the drip, melt white chocolate and tint it with gel or oil-based purple coloring.

And don’t forget to chill your cake before adding the drip—this makes the ganache flow in perfect smooth lines.
Top it off with some matching sprinkles, meringue kisses, or sugar pearls, and you’re done.
Recipe Overview
Prep Time | Cook Time | Total Time | Course | Cuisine | Servings |
---|---|---|---|---|---|
30 minutes | 25 minutes | 55 minutes + chilling | Dessert | Modern | 10–12 slices |
Ingredients List
Ingredient | 6 Servings | 12 Servings | Alternatives |
---|---|---|---|
All-purpose flour | 1½ cups | 3 cups | Cake flour |
Granulated sugar | 1 cup | 2 cups | Caster sugar |
Eggs | 2 | 4 | Plain yogurt (¼ cup per egg) |
Butter (softened) | ½ cup | 1 cup | Vegetable oil |
Milk | ¾ cup | 1½ cups | Oat milk |
Vanilla extract | 1 tsp | 2 tsp | Almond extract |
Powdered sugar (for frosting) | 2 cups | 4 cups | Coconut sugar (blended) |
White chocolate chips (for drip) | ½ cup | 1 cup | White candy melts |
Heavy cream (for drip) | ¼ cup | ½ cup | Coconut cream |
Purple gel or oil-based coloring | as needed | as needed | Blueberry powder |
Sprinkles, sugar pearls (for garnish) | as needed | as needed | Meringue kisses |
Tools You’ll Need (with Alternatives)
- Mixing bowls (or deep containers)
- Hand or stand mixer (or whisk with effort)
- Measuring cups/spoons (or kitchen scale)
- 8-inch cake pans (or one tall 9-inch)
- Cooling rack (or tray lined with parchment)
- Offset spatula (or butter knife)
- Heatproof bowl (or microwave-safe dish)
- Piping bag (or zip-top bag with snipped corner)
- Cake turntable (or flat surface covered with foil)
How to Make the Purple Drip Cake
Before you begin, clear your counter, gather your tools, and pre-chill your cake board or plate—it helps keep things tidy as you work.
Step 1: Prepare the Batter
Mix flour and sugar in a large bowl. In another, beat eggs, milk, butter, and vanilla. Combine both mixtures gradually until smooth.
Add a drop of purple coloring if you want a tinted sponge.
Step 2: Bake and Cool
Preheat the oven to 350°F (175°C). Grease and line cake pans. Pour in the batter and bake for 25–28 minutes.
Let cool completely before frosting.
Step 3: Make the Frosting
Beat softened butter until fluffy, then slowly mix in powdered sugar and a few spoons of milk.
Add a little purple color if desired for a light tone.
Step 4: Stack and Chill
Layer the cake with frosting between the tiers. Apply a thin crumb coat and chill for 30 minutes.
Then, frost it smoothly and chill again to set.
Step 5: Make the Ganache Drip
Heat cream and pour over white chocolate chips. Let sit 1–2 minutes, then stir until smooth.
Add purple gel or powder until you reach your desired shade. Let it thicken before applying.
Step 6: Drip and Decorate
Use a spoon or piping bag to apply the drip along the top edge. Let it drip naturally down the sides.
Top with sugar pearls, matching sprinkles, or mini meringues for texture.
Decoration & Serving Tips
- Use different sizes of purple sprinkles for texture
- Pair with vanilla ice cream or berry sorbet
- Chill before slicing for cleaner cuts
- Top with edible glitter if you want a sparkling finish
Variations to Try
- Berry-Infused Sponge: Add blended blueberries or blackberries to the batter
- Cream Cheese Frosting: For tangy flavor that contrasts the sweet drip
- Lavender Frosting: Add a small amount of lavender essence
- Violet Ganache: Mix edible violet powder into white chocolate
- Layered Ombre Effect: Tint each cake layer in varying shades of purple
Storing Tips
- Store in a cake box in the fridge for up to 4 days
- Let sit at room temperature 20 minutes before serving
- Avoid placing near strong odors (like onion or garlic)
- Freeze sponge layers separately if needed
Extra Tips for Best Results
- Gel or oil-based coloring gives a better, smoother finish
- Always chill cake well before applying ganache
- Test your drip on the side before committing to the whole cake
- Use good-quality white chocolate for smooth texture and shine
Common Mistakes & How to Fix Them
Mistake | Solution | Prevention |
---|---|---|
Drip too thick | Warm gently and stir again | Use correct cream-to-chocolate ratio |
Uneven drip flow | Rotate cake slowly while dripping | Chill the cake and cool the ganache properly |
Frosting melts under drip | Refrigerate and reapply top coat | Ensure frosting is well set before dripping |
There’s no need for a big celebration—just make this purple drip cake when you’re in the mood for color, calm, and cake.
Try it your way and tell me what you added or changed!