Peanut Butter Krispie Bars, speckled with pastel spring colors, are a simple no-bake treat that comes together in minutes. Creamy peanut butter and crunchy chopped peanuts give rich, nutty flavor while Rice Krispie cereal provides the crisp texture. These bars are an easy, travel-ready snack that stays chewy over time, making them ideal for care packages, lunch boxes, or holiday platters.
These Peanut Butter Krispie Bars are gluten free and vegetarian. They are a no-marshmallow version of a krispie treat, designed to remain soft and chewy for extended periods—perfect for mailing or sending in care packages where traditional marshmallow-based bars might dry out or lose texture.
While I enjoy the classic marshmallow and cereal combination, that version doesn’t travel as well. These bars are a hybrid of granola bars and Rice Krispie treats: the chewiness and binding of a granola-style bar combined with the light crunch of cereal. For a seasonal look, pastel M&M’s and festive sprinkles make them visually appealing for spring holidays without changing their shelf stability.
I’ve tested the recipe many times, sometimes using chocolate chips. For spring, I swapped in pastel M&M’s for color. The candy adds festive appeal, but because M&M’s don’t melt like chocolate chips, I adjusted the recipe and technique slightly to ensure the bars hold together well.
Three practical tips from testing will help you get good results: first, don’t add more than ½ cup of M&M’s. Too many candies make the mixture crumble rather than form cohesive bars. Second, roughly chop the M&M’s before folding them in so the color is distributed evenly and the pieces help bind the mixture during pressing. Third, the pan size matters: a 9″x12″ pan yields the thinner bars shown in the photos; if you prefer thicker, chunkier bars, use a 9″x9″ pan instead.
These bars are quick and forgiving. They can be made at the last minute or prepared a week or more in advance and still stay chewy. The pastel candies and sprinkles add cheerful flair for Easter, spring gatherings, or any celebratory care package.
One batch was sent in an Easter care package as a small thank-you gift, and they arrived still soft and chewy. Individually wrapped bars are easy to pack and share.
Peanut Butter Rice Krispies Treats
Peanut Butter Rice Krispies Treats are a no-bake dessert ready in minutes. This is a marshmallow-free bar that stays chewy for weeks when stored properly.
Ingredients
- 2 cups quick-cook oats
- 2 cups Rice Krispie cereal
- ¼ cup honey
- ¼ cup golden syrup (or corn syrup or additional honey)
- ½ cup brown sugar
- ½ cup peanut butter
- ½ cup M&M’s, roughly chopped
- ½ cup chopped peanuts
- Easter sprinkles, optional
Instructions
- Coat a 9″x12″ pan with non-stick spray for thin bars, or use a 9″x9″ pan for thicker bars.
- In a large mixing bowl, combine the oats, Rice Krispie cereal, and chopped peanuts. Set aside.
- In a medium saucepan over medium heat, combine the honey, syrup, and brown sugar. Stir constantly until the sugar dissolves and the mixture is smooth.
- Remove the pan from heat and stir in the peanut butter until fully incorporated.
- Immediately pour the warm honey-peanut butter mixture over the dry ingredients. Stir thoroughly to coat and combine. The mixture will be stiff.
- Fold in the roughly chopped M&M’s and any sprinkles you wish to add, stirring to distribute them evenly.
- Transfer the mixture to the prepared pan.
- Place a sheet of wax paper or parchment over the pan and press the mixture firmly and evenly into the pan. Proper compression is essential to produce bars rather than loose granola.
- Allow the bars to cool and firm for about 30 minutes at room temperature (or about 15 minutes in the refrigerator).
- Use a sharp knife to cut into bars. Wrap each bar individually in plastic wrap for transporting or gifting.
Notes
Packing tips: Wrap each bar individually in plastic wrap and store in an airtight container or a freezer-weight zip-top bag. Stored this way at room temperature, the bars will stay fresh and chewy for up to three weeks. For longer storage, freeze the wrapped bars and thaw at room temperature before serving.
Servings and Nutrition
Makes about 16 bars. Approximate nutrition per serving: 216 kcal, 32 g carbohydrates, 5 g protein, 9 g fat.
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