These easy St. Patrick’s Day cupcakes with green frosting and rainbow candy are a fun and festive dessert kids will love. Perfect for parties, classrooms, or baking with kids.
If there’s one thing kids love about St. Patrick’s Day, it’s the rainbows. 🌈In my house, holiday desserts don’t need to be fancy — they just need to be colorful, a little messy, and fun for the kids to help decorate.

These easy St. Patrick’s Day cupcakes with green frosting and rainbow candy are a fun, festive dessert that looks adorable but couldn’t be simpler to make. The base starts with a chocolate cake mix (because real life), and the cupcakes are topped with bright green frosting and colorful candy strips that create a little rainbow on each one.
They’re perfect for:
classroom parties
St. Patrick’s Day celebrations
baking with kids
a quick festive dessert at home
And the best part? You don’t need to make anything from scratch.
Sometimes the easiest recipes are the ones kids remember the most.
Want to skip straight to the recipe? Scroll down to the recipe card for these easy St. Patrick’s Day cupcakes with green frosting and rainbow candy.

Why Kids Love These Lucky Cupcakes
These cupcakes are always a hit because they’re:
✔ colorful
✔ sweet and chocolatey
✔ easy for kids to help decorate
✔ perfect for parties or school treats
The mini cupcake size also makes them great for little hands.
Ingredients
You only need a few simple ingredients to make these fun St. Patrick’s Day cupcakes.
1 box chocolate cake mix
1 box instant chocolate pudding mix
Milk (use in place of the water called for on the cake mix box)
Store-bought green frosting
Rainbow candy strips (for decorating)
Optional:
gold sprinkles or yellow candy for a “pot of gold” look
How to Make Easy St. Patrick’s Day Cupcakes
Preheat the oven according to the directions on the chocolate cake mix box.
Prepare the cake batter.
In a large bowl, combine the chocolate cake mix and the instant chocolate pudding mix. Follow the cake mix directions, but use milk instead of water when mixing the batter.Fill a mini muffin tin.
Lightly grease a mini muffin tin or line with mini cupcake liners. Fill each cup about 2/3 full with batter.Bake according to the box directions.
Mini cupcakes usually bake faster than full-sized cupcakes, so start checking them around 10–12 minutes or until a toothpick inserted in the center comes out clean.Let the cupcakes cool completely.
Frost the cupcakes.
Once cooled, spread or pipe the store-bought green frosting on top of each cupcake.Add the rainbow candy.
Cut the candy strips into small pieces and gently place them into the frosting to create a little rainbow arch on each cupcake.
That’s it — easy lucky cupcakes ready to serve.

Decorating St. Patrick’s Day Cupcakes with Kids
This is the part kids love the most.
Let them:
pipe or spread the green frosting
place the rainbow candy on top
add sprinkles or a “pot of gold” candy
Holiday baking with kids doesn’t need to be perfect — sometimes the messier cupcakes are the most fun.
Tips for the Best Cupcakes
A few small tricks make these cupcakes even better.
Use milk instead of water
This makes the chocolate cupcakes richer and more flavorful.
Add the pudding mix
The instant pudding makes the cupcakes extra soft and moist.
Let cupcakes cool fully before frosting
Otherwise the frosting will melt.
Fun Variations
You can easily change these up depending on what you have on hand.
Pot of Gold Cupcakes
Add yellow or gold candy at the end of the rainbow.
Sprinkle Cupcakes
Top the frosting with green or gold sprinkles.
Full-Sized Cupcakes
You can make regular cupcakes instead of mini ones — just bake according to the cake mix directions.
St. Patrick’s Day Cupcakes for Classroom Parties
These cupcakes are perfect for classroom celebrations because they’re:
easy to transport
colorful and festive
small enough for kids to enjoy
Mini cupcakes are often a great option for school treats because they’re the perfect kid-sized portion.
A Simple Holiday Tradition
In my house, holiday desserts don’t need to be fancy — they just need to be colorful, a little messy, and fun for the kids to help decorate.
These easy St. Patrick’s Day cupcakes with green frosting and rainbow candy are exactly that.
A simple recipe, a little rainbow magic, and a fun memory in the kitchen.
Easy St. Patrick’s Day Cupcakes with Green Frosting and Rainbow Candy
Ingredients
1 box chocolate cake mix
1 box instant chocolate pudding mix
Milk (use instead of the water listed on the cake mix box)
Store-bought green frosting
Rainbow candy strips
Instructions
Preheat oven according to the chocolate cake mix box directions.
In a large bowl, combine the chocolate cake mix and instant chocolate pudding mix.
Prepare the batter following the cake mix instructions, but use milk instead of water for a richer flavor.
Grease a mini muffin tin or line with mini cupcake liners.
Fill each cup about 2/3 full with batter.
Bake according to the cake mix box directions. Mini cupcakes typically bake in 10–12 minutes, or until a toothpick inserted in the center comes out clean.
Allow cupcakes to cool completely.
Frost each cupcake with store-bought green frosting.
Cut the candy strips into small pieces and place them into the frosting to create a rainbow shape on top of each cupcake.
Serve and enjoy your lucky cupcakes!
Looking for more St. Pat’s themed eats? Check out these posts:
The Easiest Way to Cook Corned Beef
7 Was to Use Leftover Corned Beef


