St. Patrick’s Day Rainbow Cupcakes

St. Patrick’s Day Rainbow Cupcakes are a festive and colorful treat perfect for celebrating the holiday! These vibrant cupcakes feature a rainbow-colored vanilla cake and a fluffy cloud-like frosting, making them a fun and delicious way to bring a little luck to your St. Patrick’s Day celebration. Whether you’re baking for a party, kids, or just for fun, these cupcakes will bring joy to everyone who tries them!

Why You’ll Love This Recipe

  • Bright and festive – A fun way to celebrate St. Patrick’s Day with a pop of color.
  • Moist and fluffy – A soft vanilla cupcake base that melts in your mouth.
  • Simple ingredients – No complicated techniques, just easy steps for a wow-worthy dessert.
  • Perfect for kids and parties – A fun treat that everyone will love.
  • Customizable – Add gold sprinkles, rainbow candy, or even a hidden surprise inside!
St. Patrick’s Day Rainbow Cupcakes 10 St. Patrick’s Day Rainbow Cupcakes are a festive and colorful treat perfect for celebrating the holiday! These vibrant cupcakes feature a rainbow-colored vanilla cake and a fluffy cloud-like frosting, making them a fun and delicious way to bring a little luck to your St. Patrick’s Day celebration. Whether you’re baking for a party, kids, or just for fun, these cupcakes will bring joy to everyone who tries them!


Ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

For the Cupcakes:

  • Unsalted butter (softened)
  • Granulated sugar
  • Eggs
  • Vanilla extract
  • All-purpose flour
  • Baking powder
  • Salt
  • Whole milk
  • Food coloring (red, orange, yellow, green, blue, and purple)

For the Frosting:

  • Unsalted butter (softened)
  • Powdered sugar
  • Vanilla extract
  • Heavy cream or milk
  • Gold sprinkles, rainbow candy, or Lucky Charms marshmallows (optional for garnish)

Directions

Make the Rainbow Cupcakes:

  1. Preheat and Prepare
    • Preheat oven to 350°F (175°C) and line a cupcake pan with liners.
  2. Mix the Wet Ingredients
    • In a bowl, cream together butter and sugar until light and fluffy.
    • Add eggs one at a time, then mix in vanilla extract.
  3. Combine Dry Ingredients
    • In another bowl, whisk together flour, baking powder, and salt.
    • Gradually add dry ingredients to the wet mixture, alternating with milk.
  4. Color the Batter
    • Divide the batter into six bowls and add food coloring to each to create red, orange, yellow, green, blue, and purple batters.
  5. Layer the Colors
    • Spoon a small amount of each color into cupcake liners, starting with purple and working up to red.
    • Spread each layer slightly to ensure an even rainbow effect.
  6. Bake the Cupcakes
    • Bake for 18-20 minutes or until a toothpick inserted comes out clean.
    • Let cupcakes cool completely before frosting.

Make the Fluffy White Frosting:

  1. Beat the Butter
    • In a large bowl, beat butter until smooth and creamy.
  2. Add Powdered Sugar
    • Gradually mix in powdered sugar until light and fluffy.
  3. Add Vanilla and Cream
    • Stir in vanilla extract and add heavy cream/milk until desired consistency is reached.
  4. Frost the Cupcakes
    • Pipe or spread frosting onto cooled cupcakes to resemble clouds.
    • Decorate with gold sprinkles, rainbow candy, or marshmallows.

Servings and Timing

  • Servings: Makes 12 cupcakes
  • Prep Time: 20 minutes
  • Bake Time: 18-20 minutes
  • Cooling Time: 20 minutes
  • Total Time: About 1 hour

Variations

  • Gold Coin Surprise – Place a gold chocolate coin inside each cupcake before baking.
  • Marshmallow Frosting – Use a fluffy marshmallow frosting instead of buttercream.
  • Gluten-Free Version – Use a gluten-free flour blend.
  • Rainbow Swirl Frosting – Divide frosting into colors and pipe a rainbow swirl.
  • Extra Lucky – Top with Lucky Charms marshmallows or edible gold flakes.

Storage/Reheating

  • Room Temperature: Store in an airtight container for up to 2 days.
  • Refrigeration: Keeps fresh for up to 5 days.
  • Freezing: Freeze unfrosted cupcakes for up to 3 months. Thaw before frosting.
  • Reheating: No reheating needed—just enjoy as is!
St. Patrick’s Day Rainbow Cupcakes
St. Patrick’s Day Rainbow Cupcakes 11 St. Patrick’s Day Rainbow Cupcakes are a festive and colorful treat perfect for celebrating the holiday! These vibrant cupcakes feature a rainbow-colored vanilla cake and a fluffy cloud-like frosting, making them a fun and delicious way to bring a little luck to your St. Patrick’s Day celebration. Whether you’re baking for a party, kids, or just for fun, these cupcakes will bring joy to everyone who tries them!


FAQs

Can I use gel food coloring?

Yes! Gel food coloring provides vibrant colors without thinning the batter.

How do I get even layers of color?

Use a small spoon or piping bag to carefully layer each color without mixing.

Can I make these cupcakes ahead of time?

Yes, bake the cupcakes a day ahead and frost them before serving.

What’s the best way to pipe the frosting?

Use a round tip to create cloud-like swirls or a star tip for a decorative look.

Can I make this into a cake instead?

Yes, bake in an 8-inch round cake pan and adjust baking time to 30-35 minutes.

How do I make a dairy-free version?

Use plant-based butter and milk alternatives like almond or oat milk.

Can I add a filling inside?

Yes! Add whipped cream, marshmallow fluff, or a caramel surprise.

How do I keep the colors from mixing?

Freeze each layer for a few minutes before adding the next to keep them separate.

Can I use store-bought frosting?

Yes, but homemade buttercream tastes best!

What can I serve with these cupcakes?

They pair well with milk, hot cocoa, or a festive green punch!

Conclusion

St. Patrick’s Day Rainbow Cupcakes are a delightful and fun way to celebrate with colorful layers, fluffy frosting, and festive decorations. Whether you’re making them for a party or just for fun, these cupcakes bring a little magic and luck to every bite. Try them today and add some rainbow cheer to your holiday celebration!

Print
clock clock iconcutlery cutlery iconflag flag iconfolder folder iconinstagram instagram iconpinterest pinterest iconfacebook facebook iconprint print iconsquares squares iconheart heart iconheart solid heart solid icon
St. Patrick’s Day Rainbow Cupcakes

St. Patrick’s Day Rainbow Cupcakes

5 Stars 4 Stars 3 Stars 2 Stars 1 Star No reviews
  • Author: Kim Cooks Easy
  • Prep Time: 20 minutes
  • Cook Time: 20 minutes
  • Total Time: 40 minutes
  • Yield: 12 cupcakes 1x
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Description

These St. Patrick’s Day Rainbow Cupcakes are light, fluffy, and bursting with vibrant colors! Each bite reveals a beautiful rainbow swirl, topped with a creamy vanilla buttercream and gold sprinkles. They’re a fun and festive way to celebrate, whether you’re hosting a party or just spreading a little luck!


Ingredients

Units Scale
  • For the Cupcakes:
  • 1 1/2 cups all-purpose flour
  • 1 1/2 teaspoons baking powder
  • 1/4 teaspoon salt
  • 1/2 cup (1 stick) unsalted butter, softened
  • 3/4 cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1/2 cup whole milk
  • Gel food coloring (red, orange, yellow, green, blue, purple)
  • For the Vanilla Buttercream Frosting:
  • 1 cup (2 sticks) unsalted butter, softened
  • 3 cups powdered sugar
  • 2 teaspoons vanilla extract
  • 23 tablespoons heavy cream or milk
  • Gold sprinkles, rainbow candies, or marshmallows (for decorating)

Instructions

  • Make the Cupcakes:
  • Preheat & Prep:
  • Preheat oven to 350°F (175°C).
  • Line a 12-cup muffin tin with cupcake liners.
  • Mix the Dry Ingredients:
  • In a bowl, whisk together flour, baking powder, and salt.
  • Cream the Butter & Sugar:
  • In a large bowl, beat butter and sugar until light and fluffy.
  • Add eggs and vanilla extract, mixing well.
  • Combine Wet & Dry:
  • Gradually mix the dry ingredients into the wet ingredients, alternating with milk, until smooth.
  • Divide & Color the Batter:
  • Divide the batter evenly into 6 small bowls.
  • Add a few drops of gel food coloring to each bowl, making red, orange, yellow, green, blue, and purple.
  • Layer the Colors:
  • Spoon a small amount of purple batter into each cupcake liner, spreading slightly.
  • Repeat with blue, green, yellow, orange, and red, gently smoothing each layer.
  • Try not to mix layers for a clean rainbow effect.
  • Bake:
  • Bake for 18–20 minutes, or until a toothpick inserted in the center comes out clean.
  • Let cool completely before frosting.
  • Make the Frosting:
  • Beat the Butter:
  • In a bowl, beat butter until creamy.
  • Add Sugar & Vanilla:
  • Gradually mix in powdered sugar, followed by vanilla extract.
  • Add heavy cream one tablespoon at a time, beating until light and fluffy.
  • Decorate the Cupcakes:
  • Frost & Decorate:
  • Pipe or spread the frosting onto cooled cupcakes.
  • Add gold sprinkles, a rainbow candy (like Airheads Extreme), or a marshmallow “cloud” for a fun St. Patrick’s Day touch!

Notes

  • For extra flavor, add lemon or almond extract to the batter.
  • Want a shortcut? Use white cake mix instead of homemade batter!
  • Storage: Keep in an airtight container for up to 3 days or refrigerate for longer.
  • Recipe Details

Nutrition

  • Calories: ~290
  • Sugar: In a large bowl, beat butter and sugar until light and fluffy.
  • Sodium: ~110mg
  • Fat: ~14g
  • Saturated Fat: ~9g
  • Unsaturated Fat: ~4g
  • Trans Fat: ~0g
  • Carbohydrates: ~40g
  • Fiber: ~0g
  • Protein: ~3g
  • Cholesterol: ~50mg

Leave a Comment & Rate this Recipe!

If you love this recipe, please consider giving it a star rating when you leave a comment. Star ratings help people discover my recipes online. Your support means a lot to me, I appreciate you.

Recipe rating 5 Stars 4 Stars 3 Stars 2 Stars 1 Star

Your email address will not be published. Required fields are marked *