The year my niece discovered Dr. Seuss, everything turned Whoville-green, and I swore the holidays would never be the same; luckily, they got better, especially when we started making Grinch Heart Rice Krispies Treats together! These festive treats are the perfect way to add a touch of Grinchy cheer to your holiday celebrations, and I promise they’ll be a hit with kids and adults alike.
Why You’ll Love This Grinch Heart Rice Krispies Treats Recipe
Okay, friend, let’s be real. We all love a good Rice Krispies treat, right? But these aren’t just any Rice Krispies treats. We’re taking them to the next level with a Grinch-inspired makeover! Here’s why you’ll absolutely adore this recipe:
- Festive & Fun: They’re green! They have hearts! What’s not to love? Perfect for Christmas parties, school events, or just a fun afternoon of baking.
- Easy to Make: Seriously, if you can melt butter and stir, you can make these. No fancy baking skills required.
- Kid-Friendly: Get the kids involved! They’ll love helping to mix, shape, and decorate.
- No-Bake: That’s right, no oven needed. Perfect for those days when you want a treat but don’t want to heat up the kitchen.
- Customizable: Want to add extra sprinkles? Go for it! Want to use different colored candy melts? Be my guest! This recipe is your blank canvas.
Ingredients You’ll Need

Alright, let’s gather our ingredients. Here’s what you’ll need to make these Grinchy delights:
- 6 tablespoons unsalted butter (Because everything is better with butter, right?)
- 10 ounces mini marshmallows (The fresher, the better! Trust me on this one.)
- 6 cups Rice Krispies cereal (The classic! Don’t try to substitute this with something else, it just won’t be the same.)
- Green food coloring (Gel food coloring works best for a vibrant color.)
- Red candy melts (For those iconic Grinch hearts!)
- Vegetable shortening or coconut oil (Just a little to help the candy melts melt smoothly.)
- Sprinkles (optional) (Because sprinkles make everything better, right?)
Equipment You’ll Need
Before we start, let’s make sure you have all the necessary equipment:
- 9×13 inch baking pan (Or similar size. You can also use an 8×8 for thicker treats.)
- Large saucepan (For melting the butter and marshmallows.)
- Heat-resistant spatula (For stirring everything together.)
- Microwave-safe bowl (For melting the candy melts.)
- Parchment paper or aluminum foil (To line the baking pan and prevent sticking.)
- Heart-shaped cookie cutter (optional) (If you want perfectly shaped hearts.)
Step-by-Step Instructions: Making Grinch Heart Rice Krispies Treats
Okay, here’s the moment you’ve been waiting for! Let’s dive into the step-by-step instructions for making these adorable treats:
Step 1: Prep Your Pan
Line your 9×13 inch baking pan with parchment paper or aluminum foil. This will make it super easy to remove the treats later and prevent them from sticking. Trust me, you don’t want to skip this step!
Step 2: Melt the Butter
In a large saucepan, melt the butter over medium heat. Keep an eye on it so it doesn’t burn. Once melted, remove from heat.
Step 3: Add the Marshmallows
Add the mini marshmallows to the melted butter and stir until completely melted and smooth. This might take a few minutes, so be patient and keep stirring. The key is to keep the heat low and stir constantly.
Step 4: Green It Up!
Add a few drops of green food coloring to the melted marshmallow mixture. Stir until you achieve your desired shade of Grinchy green. Remember, a little goes a long way, so start with a few drops and add more as needed. I always prefer gel food coloring for a more vibrant color.
Step 5: Cereal Time!
Remove the saucepan from the heat and add the Rice Krispies cereal. Gently stir until the cereal is evenly coated with the green marshmallow mixture. Be careful not to crush the cereal.
Step 6: Press It In
Pour the mixture into the prepared baking pan and gently press it down evenly. You can use the back of a spatula or your hands (lightly greased with butter or cooking spray) to do this. Don’t press too hard, just enough to create a compact layer.
Step 7: Chill Out
Let the Rice Krispies treats cool and set for at least 30 minutes. This will make them easier to cut and handle.
Step 8: Melt the Candy Melts
While the treats are cooling, let’s melt the red candy melts. Place the candy melts in a microwave-safe bowl with about ½ teaspoon of vegetable shortening or coconut oil. Microwave in 30-second intervals, stirring in between, until completely melted and smooth. Be careful not to overheat the candy melts, as they can burn easily.
Step 9: Heart Attack!
Once the Rice Krispies treats are set, remove them from the pan using the parchment paper or foil. Use a heart-shaped cookie cutter to cut out heart shapes. If you don’t have a cookie cutter, you can simply cut the treats into squares and then use a knife to carefully cut out hearts.
Step 10: Decorate!
Dip the bottom of each heart into the melted red candy melts, or drizzle the candy melts over the top of the hearts. Add sprinkles if desired. Place the decorated hearts on parchment paper to set. The Pretzel Bark recipe uses a similar technique for melting chocolate!
Step 11: Set and Serve
Let the candy melts set completely before serving. This usually takes about 15-20 minutes. Once set, your Grinch Heart Rice Krispies Treats are ready to be enjoyed!
Tips for Perfect Grinch Heart Rice Krispies Treats
Here are a few extra tips to ensure your treats turn out perfectly:
- Use fresh marshmallows: Fresh marshmallows melt more easily and create a smoother texture.
- Don’t overcook the marshmallows: Overcooked marshmallows can become hard and sticky.
- Grease your hands: Lightly grease your hands with butter or cooking spray before pressing the mixture into the pan to prevent sticking.
- Melt the candy melts slowly: Melting the candy melts in short intervals in the microwave will prevent them from burning.
- Add a touch of salt: A pinch of salt can enhance the flavor of the treats.
- Store properly: Store your Grinch Heart Rice Krispies Treats in an airtight container at room temperature for up to 3 days.
Variations and Add-Ins
Want to get creative? Here are some fun variations and add-ins you can try:
- Chocolate chips: Add mini chocolate chips to the Rice Krispies mixture for a chocolatey twist.
- Peppermint extract: Add a few drops of peppermint extract to the marshmallow mixture for a festive flavor. This would be perfect alongside some Pretzel Delights.
- Crushed candy canes: Sprinkle crushed candy canes on top of the melted candy melts for extra holiday cheer.
- Different colored candy melts: Use different colored candy melts to create a rainbow of hearts.
- Pretzel sticks: Press pretzel sticks into the Rice Krispies mixture before it sets for a salty-sweet combination.
Troubleshooting
Sometimes things don’t go exactly as planned. Here are some common issues and how to fix them:
- Treats are too hard: You may have overcooked the marshmallows. Next time, keep the heat low and stir constantly.
- Treats are too sticky: You may have used too much butter or not enough cereal. Make sure to follow the recipe measurements carefully.
- Candy melts are seizing: This usually happens when the candy melts come into contact with water. Make sure your bowl and utensils are completely dry. You can also try adding a little more shortening to help smooth it out.
Serving Suggestions
These Grinch Heart Rice Krispies Treats are perfect for:
- Christmas parties
- School events
- Holiday bake sales
- Gifting to friends and family
- Enjoying as a fun afternoon snack
Serve them alongside other festive treats like Sugar Cookie Bars or a warm Apple Crisp Recipe for the ultimate holiday spread!
FAQs
Here are some frequently asked questions about making Grinch Heart Rice Krispies Treats:
Q: Can I make these ahead of time?
A: Yes, you can make them a day or two in advance. Just store them in an airtight container at room temperature.
Q: Can I freeze these?
A: While you can freeze them, the texture might change slightly. They’re best enjoyed fresh.
Q: Can I use a different type of cereal?
A: While Rice Krispies are the classic choice, you can experiment with other cereals like Cocoa Krispies or Fruity Pebbles. Just keep in mind that the taste and texture will be different.
Q: Can I make these vegan?
A: Yes! Use vegan butter and vegan marshmallows. Make sure your candy melts are also vegan-friendly.
Conclusion
So, there you have it! Your guide to making the most adorable and delicious Grinch Heart Rice Krispies Treats. These festive treats are sure to bring a smile to everyone’s face and add a touch of Whoville magic to your holiday celebrations. Don’t forget to check out the No-bake Strawberry Bars for another easy and delicious treat! Now go forth and spread some Grinchy cheer!
What makes these Rice Krispies Treats “Grinchy?”
They are green from food coloring and decorated with red candy melt hearts, inspired by the Grinch.
Can I make these Grinch Heart Rice Krispies Treats with my kids?
Yes! This recipe is kid-friendly, and they can help with mixing, shaping, and decorating.
What if my Grinch Heart Rice Krispies Treats are too hard?
You may have overcooked the marshmallows. Next time, keep the heat low and stir constantly while melting them.
How long will Grinch Heart Rice Krispies Treats last?
Store your Grinch Heart Rice Krispies Treats in an airtight container at room temperature for up to 3 days.

Grinch Heart Rice Krispies Treats
Ingredients
Equipment
Method
- Line a 9×13 inch baking pan with parchment paper or aluminum foil.
- In a large saucepan, melt the butter over medium heat. Remove from heat once melted.
- Add the mini marshmallows to the melted butter and stir until completely melted and smooth.
- Add a few drops of green food coloring to the melted marshmallow mixture and stir until you achieve your desired shade of Grinchy green.
- Remove the saucepan from the heat and add the Rice Krispies cereal. Gently stir until the cereal is evenly coated with the green marshmallow mixture.
- Pour the mixture into the prepared baking pan and gently press it down evenly using the back of a spatula or lightly greased hands.
- Let the Rice Krispies treats cool and set for at least 30 minutes.
- While the treats are cooling, place the red candy melts in a microwave-safe bowl with ½ teaspoon of vegetable shortening or coconut oil.
- Microwave in 30-second intervals, stirring in between, until completely melted and smooth. Be careful not to overheat.
- Once the Rice Krispies treats are set, remove them from the pan using the parchment paper or foil.
- Use a heart-shaped cookie cutter to cut out heart shapes. Alternatively, cut into squares and then cut out hearts with a knife.
- Dip the bottom of each heart into the melted red candy melts, or drizzle the candy melts over the top of the hearts.
- Add sprinkles if desired.
- Place the decorated hearts on parchment paper to set completely before serving, about 15-20 minutes.