Introduction & Inspiration
This St. Patrick’s Day Cupcakes recipe is a fun, festive, and visually stunning way to celebrate the Irish holiday. These cupcakes combine a light and fluffy vanilla cupcake base with a creamy vanilla buttercream frosting, decorated with a vibrant green swirl, rainbow candy arches, and fluffy white “clouds.” I love themed baking.
The inspiration came from a desire to create a cupcake that was both eye-catching and delicious, something that would be a perfect centerpiece for a St. Patrick’s Day party or a fun baking project with kids. I wanted a design that was relatively easy to achieve, but still looked impressive and captured the spirit of the holiday.
The combination of the classic vanilla cupcake, the colorful frosting, and the playful rainbow candy creates a truly memorable treat that’s sure to be a hit with everyone.
I’m excited to share this recipe because these cupcakes are always a crowd-pleaser. They’re fun to make, fun to decorate, and even more fun to eat! They’re also a great way to get creative in the kitchen and celebrate St. Patrick’s Day in a delicious way.
Nostalgic Appeal
Cupcakes, in general, often evoke feelings of nostalgia and childhood celebrations. They’re a classic treat that’s often associated with birthday parties, school events, and happy memories.
These St. Patrick’s Day Cupcakes tap into that nostalgia, offering a fun and festive twist on a classic dessert. The rainbow candy and the green frosting add a touch of whimsy and make these cupcakes even more special.
The simple act of decorating cupcakes can also evoke memories of childhood baking projects and creative food crafts. It’s a recipe that’s both familiar and exciting, a perfect way to relive those fond memories while also creating new ones.
And that’s the beauty of these cupcakes – they combine the familiar comfort of a classic vanilla cupcake with the playful and festive spirit of St. Patrick’s Day, creating a treat that’s both nostalgic and delightful.
Homemade Focus
I always choose homemade. These cupcakes are festive!
Flavor Goal
Vanilla cupcake with a sweet frosting. The candy add a sour touch.
Ingredient Insights
All-purpose flour, baking powder, baking soda, kosher salt, granulated sugar, unsalted butter, egg whites, pure vanilla extract, full-fat sour cream, whole milk, unsalted butter, confectioners’ sugar, heavy cream, pure vanilla extract, kosher salt, green food coloring, Airheads Xtremes Rainbow Sour Candy, gold sprinkles.
Essential Equipment
Standard 12-cup muffin tin, paper liners, medium bowl, whisk, large bowl, handheld mixer (or stand mixer), piping bags (one with a star tip, one with a large round tip),
List of Ingredients with Measurements
Cupcakes
- 1 2/3 cups (200 g.) all-purpose flour
- 1 1/2 tsp. baking powder
- 1/4 tsp. baking soda
- 1/4 tsp. kosher salt
- 1 cup (200 g.) granulated sugar
- 3/4 cup (1 1/2 sticks) unsalted butter, softened
- 3 large egg whites, room temperature
- 1 Tbsp. pure vanilla extract
- 1/2 cup full-fat sour cream, room temperature
- 1/2 cup whole milk, room temperature
Frosting & Assembly
- 1 cup (2 sticks) unsalted butter, softened
- 4 cups (460 g.) confectioners’ sugar
- 3 to 4 tbsp. heavy cream
- 2 tsp. pure vanilla extract
- 1/8 tsp. kosher salt
- Green food coloring
- Airheads Xtremes Rainbow Sour Candy, cut into 3″ pieces
- Gold sprinkles, for decorating

Step-by-Step Instructions
Cupcakes
- Preheat and Prep: Arrange a rack in center of oven; preheat to 350°. Line a standard 12-cup muffin tin with paper liners.
- Combine Dry Ingredients: In a medium bowl, whisk flour, baking powder, baking soda, and salt.
- Cream Butter and Sugar: In a large bowl, using a handheld mixer on medium-high speed (or in the large bowl of a stand mixer fitted with the whisk attachment), beat granulated sugar and butter until light and fluffy, 3 to 4 minutes. Add egg whites and vanilla and beat until smooth and combined, about 2 minutes. Add sour cream and beat until just combined.
- Combine Wet and Dry: Add half of dry ingredients and beat on low speed until just incorporated. Add milk and beat to combine. Add remaining dry ingredients and beat until just combined.
- Bake.
- Cool.
Frosting & Assembly
- Make Frosting: In a large bowl, using handheld mixer on medium-high speed (or in the large bowl of stand mixer fitted with the paddle attachment), beat butter until fluffy. Add confectioners’ sugar and beat until combined, then add cream, vanilla, and salt and beat until combined.
- Color and Pipe Frosting: Transfer 1 cup frosting to a piping bag fitted with a star tip. Add green food coloring to remaining frosting and stir until desired color is reached. Transfer to another piping bag fitted with a large round tip. Pipe green frosting onto cupcakes. Stand rainbow candy upright in frosting. Using white frosting, pipe clouds at bottom of rainbow. Decorate with gold sprinkles

Troubleshooting
*Cupcakes sinking *Frosting too thick or too thin
Tips and Variations
- Different Colors:
- Add a Filling:
- Use Different Candy:
Customize
Serving and Pairing Suggestions
St Patricks day parties.
Nutritional Information
Enjoy!
PrintSt. Patrick’s Day Cupcakes
This St. Patrick’s Day Cupcakes recipe is a fun, festive, and visually stunning way to celebrate the Irish holiday
Ingredients
Cupcakes
- 1 2/3 cups (200 g.) all-purpose flour
- 1 1/2 tsp. baking powder
- 1/4 tsp. baking soda
- 1/4 tsp. kosher salt
- 1 cup (200 g.) granulated sugar
- 3/4 cup (1 1/2 sticks) unsalted butter, softened
- 3 large egg whites, room temperature
- 1 Tbsp. pure vanilla extract
- 1/2 cup full-fat sour cream, room temperature
- 1/2 cup whole milk, room temperature
Frosting & Assembly
- 1 cup (2 sticks) unsalted butter, softened
- 4 cups (460 g.) confectioners’ sugar
- 3 to 4 tbsp. heavy cream
- 2 tsp. pure vanilla extract
- 1/8 tsp. kosher salt
- Green food coloring
- Airheads Xtremes Rainbow Sour Candy, cut into 3″ pieces
- Gold sprinkles, for decorating
Instructions
Cupcakes
- Preheat and Prep: Arrange a rack in center of oven; preheat to 350°. Line a standard 12-cup muffin tin with paper liners.
- Combine Dry Ingredients: In a medium bowl, whisk flour, baking powder, baking soda, and salt.
- Cream Butter and Sugar: In a large bowl, using a handheld mixer on medium-high speed (or in the large bowl of a stand mixer fitted with the whisk attachment), beat granulated sugar and butter until light and fluffy, 3 to 4 minutes. Add egg whites and vanilla and beat until smooth and combined, about 2 minutes. Add sour cream and beat until just combined.
- Combine Wet and Dry: Add half of dry ingredients and beat on low speed until just incorporated. Add milk and beat to combine. Add remaining dry ingredients and beat until just combined.
- Bake.
- Cool.
Recipe Summary and Q&A
Festive and fun cupcakes
Q: Can I make these cupcakes ahead of time? A: Yes.
Q: Can I freeze the unfrosted cupcakes? A: Yes.
Q: Can I use a different type of candy for the rainbow? A: Sure.