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shamrock rice krispie treats on a plate

Shamrock Rice Krispie Treats

Course: Dessert, Snack
Cuisine: American
Prep Time: 25 minutes
Cook Time: 5 minutes
Cool Time: 15 minutes
Total Time: 45 minutes
Servings: 8 shamrocks
Calories: 87kcal
Author: Emily
Make these cute and fun and Shamrock Rice Krispie Treats for St. Patrick's Day using your favorite childhood treat and some sprinkles!
Print Recipe


Rice Cereal Treats


  • Prepare a 9x13 pan with non-stick spray. Melt the butter in a large pot over medium heat. Add the marshmallows and stir until fully melted in the butter. Stir in the green food coloring. Remove the pot from the heat and stir in the rice cereal. Add to the prepared dish and press into the pan as much as you can. Place the pan in the fridge for 10 minutes to cool.
    green lime melted marshmallows in a pot
  • Turn the pan upside down on top of a cutting board or counter. Use the cookie cutter to cut out as many shamrocks as you can.
    green rice krispies with a shamrock cookie cutter
  • Use gel frosting and sprinkles to decorate the shamrocks with fun faces. Enjoy!
    shamrock rice krispie treat face


  • You can use regular marshmallows instead of lime and lemon-flavored marshmallows. Below is a photo of the marshmallows I used. You will need two bags and you do have to separate the flavors, but my son and I had fun doing it!😁bag of fruit marshmallows
  • These treats can be stored in an air-tight container for 3-4 days. 
  • Nutrition estimates are for Rice Krispie Treats ONLY.


Calories: 87kcal | Carbohydrates: 13.2g | Protein: 0.8g | Fat: 3.5g | Saturated Fat: 2.2g | Cholesterol: 9mg | Sodium: 30mg | Potassium: 31mg | Fiber: 0.5g | Sugar: 4g | Calcium: 1mg