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Heart Shaped Valentine Rice Krispie Treats with M&M's

How to make chocolaty heart shaped Valentine Rice Krispie treats with M&M's and sprinkles. Perfect for kids, classroom parties, and more!
4.60 from 5 votes
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Course: Desserts, Valentine's Day
Cuisine: American
Prep Time: 20 minutes
Cook Time: 15 minutes
Total Time: 35 minutes
Servings: 12 servings
Calories: 324kcal
Author: Mel Lockcuff



  • Grease a 9x13 baking pan with cooking spray.
  • Melt the butter in a large sauce pan or Dutch oven over low to medium heat.
  • Stir the vanilla extract and salt into the butter.
  • Add the mini marshmallows to the melted butter mixture, stirring until the marshmallows have fully melted.
  • Remove the mixture from the heat, and partially stir in the Rice Krispies cereal.
  • Once you’ve partially mixed together the melted marshmallows with the Rice Krispies cereal, stir in the M&M’s candies and finish mixing everything together.
  • Spread the Rice Krispies treats mixture into a pan.
  • Immediately sprinkle on Valentine sprinkles, so they'll stick to the warm marshmallow treats.
  • Cut heart shaped Rice Krispie treats with a heart shaped cookie cutter. Work your way around the edge, then in toward the middle.
  • And that's it. They're ready to serve and enjoy!


*You can use any brand of crisp rice cereal you want; I prefer to use either Malt-O-Meal Crispy Rice or Millville (from Aldi) because they're gluten-free.
Can I make Valentine's Day Rice Krispies treats in advance?
Yes, you can totally make these ahead of time. Make them the day before, and you're all set for the party the next day. I wouldn't make them more than 1-2 days in advance, though, as they can grow stale over a couple of days.
How should I store Rice Krispie treats with M&M's?
It's important to store your treats in an airtight container or sealed plastic bag. You'll probably want to eat them within the first 2 or 3 days.


Serving: 1g | Calories: 324kcal | Carbohydrates: 56g | Protein: 2g | Fat: 9g | Saturated Fat: 6g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Trans Fat: 1g | Cholesterol: 17mg | Sodium: 201mg | Potassium: 21mg | Fiber: 1g | Sugar: 34g | Vitamin A: 1077IU | Vitamin C: 9mg | Calcium: 28mg | Iron: 4mg
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