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How to Make Homemade Trail Mix Krispies Blocks (Easy & Yummy Snack)

By: Author Amanda L Grossman

Posted on Last updated:

Here’s a filling and delicious snack my family and I can’t stop eating. Get the easy homemade snack recipe for kids and adults.

About two years ago, I created a new snack that my family and I have fallen in love with: The Trail Mix Krispies Block.

Trail Mix Krispies Blocks up close on pan, text overlay "how to make Trail Mix Krispies Blocks oh my, delicious!"

It’s sweet and savory and filling and even semi-healthy – thanks to the nut butter and nuts – all in a perfect balance with each other.

Honestly, they’re SO delicious that it’s the kind of snack I base my afternoon eating around (did I just admit that out loud?).

And I just can’t keep them a secret anymore.  

How to Make Homemade Trail Mix Krispies Blocks

packages of Rice Krispies, Marshmallows, chopped pecans, walnut nut butter, and butter

Ingredients:

  • 6 cups Crispy Rice Cereal
  • 1 10-oz. bag of Mini Marshmallows
  • 3 tbsps. Salted Butter
  • 1 jar of Nut Butter of choice (walnut butter, almond butter, pecan butter, peanut butter, cookie butter, etc.)
  • Nuts of choice (walnuts, pecans, peanuts, trail mix, pumpkin seeds, trail mix, etc.)

Instructions:

1. Make a batch of Rice Krispies Treats™ using the original recipe. You’ll need the Crispy Rice Cereal, salted butter, and mini marshmallows.

2. Dump them into a half sheet pan (you can use a regular 9 X 13 pan, too, just know that they will be quite thick), and make them as smooth and compact as you can (I spray a spatula and/or metal spoon with cooking oil to do this).

half sheet pan filled with smoothed Rice Krispies Treats

3. Spread crunchy peanut butter, or any nut butter, over the whole pan. I realize the photos I’m sharing show it only on half the pan…but trust me on this one. I find that if I only spread the nut butter on half, then the top half slides off when I eat them. The nut butter acts like glue!

person spreading nut butter along the pan

4. Top half of it with as much trail mix or your favorite nuts as you’d like (for me, that’s Maple Walnuts – hands down my favorite healthy Dollar Tree snack).

half sheet pan with half covered in trail mix and nut butter

5. Cut the entire pan of blocks in half, then firmly press one half on top of the other half.

half of the Trail Mix Krispies Blocks on top of the other half

6. Cut them into blocks (or, you might use a cookie cutter to create fun, seasonal shapes, for something like Christmas treats to gift or a Thanksgiving treat).

These make excellent pool party snacks, Christmas treats to gift, Thanksgiving treats, lunch box snacks, sleepover snacks…I mean, I’ll use any excuse to create a batch and gobble them down.

The Really, Really Quick Version

Don’t have time to make the Rice Krispies Treats from scratch?

I’ve got a really quick way to get your fix! I’ve done it before (no shame here).

Rice Krispies Treats with M&Ms stuffed with peanut butter and nuts

Ingredients:

  • Rice Krispies Treat Snack to Go
  • Jar of Nut Butter
  • Bag of Trail Mix

Instructions:

  1. Slice the Rice Krispies Treat in half, lengthwise.
  2. Slather in Nut Butter.
  3. Sprinkle trail mix over it.
  4. Devour.
package of trail mix, peanut butter, and Rice Krispies treats from Dollar Tree
Woman slicing Rice Krispies Treat in half lengthwise
peanut butter and trail mix on top of one half of the Rice Krispies Treat

This is one of my favorite Dollar Store snack ideas.

How to Gift Trail Mix Krispies Blocks

Now that you know about these, you won’t want to keep them to yourself, either.

I’ve found a few fun ways to gift them, and you can find out about that in my Christmas Treats to Gift and Thanksgiving No-Bake Desserts articles.

Yield: 10-12 blocks

Trail Mix Krispies Blocks

up close pan of Trail Mix Krispies Blocks

A treat and dessert with the perfect balance of sweet and savory. It's even semi-healthy – thanks to the nut butter and nuts!

Prep Time 10 minutes
Cook Time 10 minutes
Additional Time 15 minutes
Total Time 35 minutes

Ingredients

  • 6 cups Crispy Rice Cereal
  • 10 oz. bag of Mini Marshmallows
  • 3 tbsps. Salted Butter
  • 1 10 oz. or more jar of Nut Butter of choice (walnut butter, almond butter, pecan butter, peanut butter, cookie butter, etc.)
  • Nuts of choice (walnuts, pecans, peanuts, trail mix, pumpkin seeds, trail mix, etc.)

Instructions

    1. Make a batch of Rice Krispies Treats™ using the original recipe. You’ll need the Crispy Rice Cereal, salted butter, and mini marshmallows.

    2. Dump them into a half-sheet pan (you can use a regular 9 X 13 pan, too, just know that they will be quite thick). Make them as smooth and compact as you can by spraying a spoon or spatula with cooking oil and pressing them down.

    3. Spread crunchy peanut butter, or any nut butter, over the whole pan.

    4. Top half of it with as much trail mix or your favorite nuts as you’d like (for me, that’s Maple
    Walnuts – hands down my favorite healthy Dollar Tree snack).

    5. Cut the entire pan of blocks in half, then firmly press one half on top of the other half.

    6. Cut them into blocks (or, you might use a cookie cutter to create fun, seasonal shapes, for
    something like Christmas treats to gift or a Thanksgiving treat).

Notes

*I realize the photos I’m sharing show the nut butter spread on only half the pan…but trust me. I find that if I only spread the nut butter in half, then the top half slides off when I eat them. The nut butter acts like glue!

© Amanda L. Grossman

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Amanda L Grossman

Personal Finance Writer and CEO at Frugal Confessions, LLC
Amanda L. Grossman is a writer and Certified Financial Education Instructor (CFEI®), Plutus Foundation Grant Recipient, and founder of Frugal Confessions. Over the last 13 years, her money work has helped people with how to save money and how to manage money. She's been featured in the Wall Street Journal, Kiplinger, Washington Post, U.S. News & World Report, Business Insider, LifeHacker, Real Simple Magazine, Woman's World, Woman's Day, ABC 13 Houston, Keybank, and more. Read more here or on LinkedIn.

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