If you’ve been searching for the ultimate treat that’s festive, crowd-pleasing, and deliciously simple, look no further than St. Patrick’s Day Crispy Treats. Featuring delightful green hues, gooey marshmallow, and a satisfying crunch, these sweet bars practically shout “St” in every bite! They’re the perfect project for both kitchen novices and experienced bakers, and will brighten up any holiday spread with their charm and irresistible flavor.

Ingredients You’ll Need
What makes these St treats shine is the cheerful lineup of everyday ingredients, each playing an important role in both flavor and fun. These are pantry staples with a few festive twists to really make them special for St. Patrick’s Day!
- Crispy rice cereal: The crispy base provides the signature crunch and airy texture—choose your favorite brand for best results!
- Mini marshmallows: Sweet and pillowy, these melt into a gooey glue that binds every bite together.
- Unsalted butter: Adds a subtle richness and helps the marshmallows melt to perfection, so don’t skip it!
- Vanilla extract: Just half a teaspoon brings warmth and a hint of homemade magic to your St delights.
- Green food coloring: A few drops instantly transform these treats into a playful St. Patrick’s Day spectacle.
- White chocolate chips (optional): A drizzle of melted white chocolate over the top creates an extra-creamy, decadent finish.
- Green sprinkles or candy decorations: The finishing touch for maximum St festivity—let your creativity shine!
How to Make St
Step 1: Prep the Pan
Start by greasing a 9×13-inch baking dish with butter or nonstick spray. This not only ensures your St treats pop out without sticking but also makes cleanup a breeze. Set the dish aside while gathering your other ingredients—you’ll want everything handy for this quick recipe!
Step 2: Melt the Butter and Marshmallows
In a large saucepan set over medium heat, melt the unsalted butter until beautifully fragrant and slightly golden. Pour in the mini marshmallows and stir constantly with a sturdy spatula; you’ll see the mixture melt into a smooth, glossy pool. Melting everything gently keeps the texture silky and prevents the marshmallows from becoming tough—an essential trick for any St crunchy treat!
Step 3: Add Flavors and Color for St
Once your marshmallows are melted, remove the pan from the heat and quickly stir in the vanilla extract. Grab the green food coloring and gradually add a few drops, stirring until the mixture becomes the vivid, cheerful green of St. Patrick’s Day. Adjust the shade to your liking—more drops for boldness, fewer for subtlety.
Step 4: Fold in the Crispy Cereal
Immediately pour the crispy rice cereal into the warm marshmallow mixture. Work swiftly to fold everything together so the cereal is evenly coated in that green, gooey goodness. It helps to use a large spatula and a gentle touch to avoid crushing all those classic St crispy pockets!
Step 5: Press and Decorate
Transfer the coated mixture to your prepared baking dish. Use a buttered spatula or a piece of wax paper to press it down gently—firm enough to hold shape, but not so much it packs too tightly. If you’re feeling extra festive, drizzle melted white chocolate chips over the top and shower the surface with green sprinkles or St-themed candy. Let the pan cool completely before slicing into squares and sharing with everyone in sight!
How to Serve St

Garnishes
For a show-stopping finish, I recommend topping your St. Patrick’s Day Crispy Treats with a generous pinch of green sprinkles or even a dash of edible shimmer dust. Edible gold stars and rainbow candies also scream celebration and are perfect for bringing out your inner leprechaun!
Side Dishes
Pair your St treats with a cool glass of milk or a mug of hot chocolate for a kid-friendly dessert spread. For adults, a fresh cup of Irish coffee or a creamy matcha latte complements the sweetness without overpowering the treats—and keeps the green theme going strong!
Creative Ways to Present
For a playful twist, use shamrock or heart-shaped cookie cutters to shape your St treats before they cool completely. Stack squares in a festive tower, tie them in clear cellophane bags for party favors, or arrange them on a platter with rainbow candy for a magical, St-inspired dessert table centerpiece.
Make Ahead and Storage
Storing Leftovers
To keep your St treats fresh and irresistibly chewy, store them in an airtight container at room temperature. They’ll maintain their lovely texture for up to 3 days—if they last that long! Separate layers with wax paper to prevent sticking.
Freezing
If you’d like to get a jump on St. Patrick’s Day festivities, you can freeze these crispy treats! Cut them into squares, wrap tightly in plastic wrap, and store in a freezer-safe bag for up to 1 month. Thaw at room temperature before serving for best results.
Reheating
If your St treats feel just a little too firm after storage, pop them in the microwave for about 5-10 seconds. They’ll soften right up—just enough to taste freshly made, gooey, and as festive as ever.
FAQs
Can I use regular marshmallows instead of mini?
Absolutely! Just chop standard marshmallows into smaller pieces for even melting. Mini marshmallows melt faster, but the flavor and effect are the same for your St treats.
How can I make these treats even more festive for St?
Mix in a handful of green M&Ms, Lucky Charms marshmallows, or festive confetti candy with the crispy rice cereal before pressing into the pan. These little extras bring a playful punch to your St. Patrick’s Day table.
Is there a dairy-free way to make St. Patrick’s Day Crispy Treats?
Yes! Swap the butter for a plant-based alternative and double-check that your marshmallows and white chocolate chips are dairy-free. The result will still be perfectly gooey and festive for any St celebration.
What’s the best way to cut the treats cleanly?
Let the treats cool completely, then use a sharp, buttered knife or a plastic knife. Wipe the blade between cuts for super neat St squares every time!
Can I double the recipe for a party?
Definitely! Just use two pans or a larger rimmed sheet pan, and make the marshmallow mixture in batches for easy mixing. Sharing St treats with a crowd is always a good idea.
Final Thoughts
If you’re looking for a bright, simple, and joy-filled dessert that captures the spirit of St, these crispy treats really do it all. Don’t wait until March 17—make a batch soon and let festive fun find you any day of the year!
Print
St Recipe
- Prep Time: 10 minutes
- Cook Time: 10 minutes
- Total Time: 20 minutes
- Yield: 12 servings
- Category: Dessert
- Method: Stovetop
- Cuisine: American
- Diet: Vegetarian
Description
Celebrate St. Patrick’s Day with these festive and delicious crispy treats that are perfect for snacking or sharing with friends and family. These colorful treats are easy to make and will add a touch of green to your holiday celebration.
Ingredients
Main Ingredients:
- 6 cups crispy rice cereal
- 1 (10-ounce) bag mini marshmallows
- 3 tablespoons unsalted butter
- ½ teaspoon vanilla extract
Additional Ingredients:
- Green food coloring
- ½ cup white chocolate chips (optional)
- Green sprinkles or candy decorations (for topping)
Instructions
- Prepare Baking Dish: Grease a 9×13-inch baking dish with butter or nonstick spray.
- Melt Marshmallows: In a saucepan over medium heat, melt butter, add marshmallows, stir until smooth.
- Add Flavor and Color: Remove from heat, add vanilla extract and green food coloring, mix well.
- Mix and Set: Fold in rice cereal, transfer to dish, press down gently.
- Add Toppings: Melt white chocolate, drizzle over treats, add green sprinkles or candies.
- Cool and Serve: Let treats cool completely, then slice into squares.
Notes
- Add a pinch of salt to balance sweetness.
- For extra flair, mix in Lucky Charms marshmallows or green M&Ms.
Nutrition
- Serving Size: 1 square
- Calories: 180
- Sugar: 15 g
- Sodium: 90 mg
- Fat: 5 g
- Saturated Fat: 3 g
- Unsaturated Fat: 1.5 g
- Trans Fat: 0 g
- Carbohydrates: 32 g
- Fiber: 0 g
- Protein: 1 g
- Cholesterol: 10 mg