If there’s one treat that never lasts long at a bake sale, it’s Rice Krispie treats—and these green St. Patrick’s Day Rice Krispie Treats are no exception! They’re chewy, crunchy, and packed with gooey marshmallow goodness, plus that festive green hue makes them irresistible for kids and adults alike.
Not only are they quick and easy to make, but they also hold up well, making them a perfect option for bake sales, classroom parties, or just a fun treat to celebrate the luck of the Irish. Best of all? They require just a few simple ingredients and can be shaped into squares, shamrocks, or even gold coins for a fun themed twist.

🍀 Why These Are Perfect for a Bake Sale
✔ Easy to make in big batches – No baking required, and you can whip up multiple trays in minutes!
✔ Mess-free and portable – No forks or plates needed—just grab and go!
✔ Bright, festive color – These treats stand out on the table and are perfect for St. Patrick’s Day!
✔ Kid-approved & budget-friendly – Simple, inexpensive ingredients make them an ideal fundraiser treat!
👉 Ingredients
- 4 tablespoons unsalted butter 🧈
- 1 package (10 oz) marshmallows
- ½ teaspoon green food coloring 🍀
- 6 cups Rice Krispies cereal
- ½ cup green sprinkles (optional)
👉 How to Make Green Rice Krispie Treats
1. Melt the Marshmallows
- In a large saucepan over low heat, melt the butter.
- Add the marshmallows and stir until they’re completely melted and smooth.
2. Add the Green Color
- Remove the saucepan from heat and mix in the green food coloring until you get your perfect shade of green.
3. Stir in the Cereal
- Add the Rice Krispies cereal and gently fold until everything is evenly coated in the gooey marshmallow mixture.
4. Shape & Set
- Press the mixture into a greased 9×13-inch pan, using a spatula or greased hands to smooth it down evenly.
- Sprinkle green sprinkles on top while the mixture is still warm for extra festivity! ✨
5. Cool & Cut
- Let the treats cool completely before cutting.
- Slice into squares, or use shamrock-shaped cookie cutters for an extra fun touch!
🎁 Bake Sale Tips for Success
🌟 Wrap them individually – Use clear treat bags tied with a green ribbon for an easy, grab-and-go option.
🌟 Make them extra special – Drizzle white chocolate over the top or mix in gold sprinkles for a “pot of gold” effect!
🌟 Offer different sizes – Some people want a big treat, and some prefer a mini-sized option.
🌟 Get creative with shapes – Try shamrocks, four-leaf clovers, or even coins for a fun variety!