Rice Krispies Trail Mix Bars

Prep Time 15 minutes
Cook Time 5 minutes
Total Time 20 minutes

Rice Krispies Trail Mix Bars are the best kid-friendly snack. Easy, no-bake marshmallow cereal bars perfect for lunchboxes, picnics and snacking. 

These snack bars are just as easy and gooey as regular Rice Krispiesbut with added ingredients to provide sustained energy. These bars will be your go-to Snack Recipe for all your lunchboxes and outdoor adventures.

Rice Krispies Trail Mix Bars, top down view of stack


Rice Krispies Trail Mix Bars are the perfect snack or dessert for anytime you are on-the-go. The sweet marshmallows and M&M’s are paired with salty pretzels and peanuts for an amazing sweet and salty flavor combination. You can whip up a whole tray in just 20 minutes and have 12 servings of delicious snacks for your kids for the whole week. Your family will love this gooey, delicious snack!

Rice Krispies Trail Mix Bars are amazing year round, but they are a great summertime snack because there is no need to turn on the oven and heat up your kitchen. They are perfect to throw in your backpack for outdoor walks or hikes, and the peanuts and peanut butter provide protein to keep you full for longer.  

These Rice Krispies Trail Mix Bars are an easy snack that kids can make. Your kids can melt the marshmallow mixture in the microwave if you don’t want them to use the stovetop. There are so many ways to change up this recipe that kids can experiment with their own add-ins and make it their own!

Rice Krispies Trail Mix Bars in stack

Rice Krispies Trail Mix bars are best at room temperature because refrigerating them makes them hard to bite into. If you do refrigerate them, make sure to leave them out on the counter until they get soft and chewy again before serving.

These Rice Krispies Trail Mix Bars are awesome on their own, but you can indulge your sweet tooth by adding a layer of Chocolate GanacheRefrigerate the bars for 30 minutes before cutting them to allow the ganache to set. 



Make them in the Microwave

To make Rice Krispies Trail Mix bars in the microwave, add your marshmallows and butter to a large, microwave safe bowl, and microwave on high for 2 minutes. Stir the butter and marshmallow mixture and put it in the microwave for another minute. Fold in cereal and trail mix until combined and press into a pan. 

Rice Krispies Trail Mix Bars in baking dish


  • Chocolate chips: Drizzle with melted milk or dark chocolate or fold in ½ cup chocolate chips. Wait 5 minutes after adding in Rice Krispies so the chocolate chips don’t melt. 
  • Dried Fruit: Swap the raisins with dried cherries or cranberries, depending on your preference and what is in your pantry.
  • Nuts and Seeds: Add in your favorite nuts, such as sliced almonds or chopped cashews. You can also add in ½ cup of toasted pumpkin seeds. 
  • Chocolate: Add cocoa powder into the melted butter and marshmallow mixture before stirring into the cereal.
  • Vanilla: Add ½ teaspoon of vanilla extract for added flavor. 
  • Marshmallows: Fold in ½ cup of mini marshmallows 5 minutes after you add the Rice Krispies so that they don’t melt. You can also try this recipe with Homemade Marshmallows. 



  • Serve: Rice Krispies Trail Mix Bars can be stored at room temperature in an airtight container for up to 4 days. Make sure to put parchment paper in between layers to prevent them from sticking. 
  • Store: Refrigerate Rice Krispies Trail Mix Bars for up to a week in an airtight container. Serve them at room temperature. 
  • Freeze: You can freeze Rice Krispies Trail Mix Bars for up to 6 weeks in an airtight container.

Rice Krispies Trail Mix Bars in stack

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Rice Krispies Trail Mix Bars

Rice Krispies Trail Mix Bars are the best kid-friendly snack. Easy, no-bake marshmallow cereal bars perfect for lunchboxes, picnics and snacking. 
Yield 12
Prep Time 15 minutes
Cook Time 5 minutes
Total Time 20 minutes
Course Dessert, Snack
Cuisine American
Author Sabrina Snyder


  • 4 tablespoons butter
  • 12 ounces mini marshmallows
  • 1/2 cup peanut butter
  • 5 cups Rice Krispies cereal
  • 2 cups pretzel sticks
  • 1/2 cup raisins
  • 1/2 cup peanuts
  • 1 cup plain M&M's


  • Spray a 9x13 baking pan with cooking spray.
  • In a large pot gently melt and stir the butter and peanut butter on medium low heat until smooth and creamy.
  • Add in the marshmallows and stir until they just start to melt.
  • Add in the Rice Krispies, pretzels and raisins and stir to coat.
  • Just as it is starting to cool add in the M&Ms and gently press it into your baking pan.


Calories: 132kcal | Carbohydrates: 19g | Protein: 2g | Fat: 5g | Saturated Fat: 2g | Cholesterol: 4mg | Sodium: 97mg | Potassium: 62mg | Fiber: 1g | Sugar: 10g | Vitamin A: 302IU | Vitamin C: 3mg | Calcium: 12mg | Iron: 2mg

Rice Krispies Trail Mix Bars collage

About the Author: Sabrina Snyder

Sabrina is a professionally trained Private Chef of over 10 years with ServSafe Manager certification in food safety. She creates all the recipes here on Dinner, then Dessert, fueled in no small part by her love for bacon.

Sabrina Snyder is a professionally trained personal and private chef of over 10 years who is the creator and developer of all the recipes on Dinner, then Dessert.

She is also the author of the cookbook Dinner, then Dessert – Satisfying Meals Using Only 3, 5 or 7 Ingredients, published by Harper Collins.

She started Dinner, then Dessert as a business in her office as a lunch service for her coworkers who admired her lunches before going to culinary school and becoming a full time personal chef and private chef.

As a personal chef Sabrina would cook for families one day a week and cook their entire week of dinners. All grocery shopping, cooking and cleaning was done along with instructions on reheating. As a private chef she cooked for private parties and cooked in family homes in the evenings for families on a nightly basis after working as a personal chef during the day.

Sabrina has been certified as a ServSafe Manager since 2007 and was a longstanding member of the USPCA Personal Chef Association including being on the board of the Washington DC Chapter of Chefs in the US Personal Chef Association when they won Chapter of the year.

As a member of the community of food website creators Sabrina Snyder has spoken at many conferences regarding her experiences as a food writer including the Indulge Food Conference, Everything Food Conference, Haven Food Conference and IACP Annual Food Professionals Conference.

Sabrina lives with her family in sunny California.

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