High-Protein PB&J Rice Krispie Bars

Featured in: Sweet Whispers

These crispy, chewy rice krispie bars combine the nostalgic flavors of peanut butter and jelly with a protein boost. The base features crisped rice cereal mixed with creamy peanut butter, honey or maple syrup, and protein powder. A rich peanut butter protein drizzle and swirls of warm strawberry or grape jelly create the perfect sweet finish. Ready in just 20 minutes of active time plus chilling, these bars make an ideal grab-and-go breakfast or post-workout snack. Each bar delivers 7 grams of protein while maintaining that classic marshmallow treat texture you love.

Updated on Wed, 11 Feb 2026 22:53:20 GMT
Cooled High-Protein PB&J Rice Krispie Bars are cut into squares, showing a chewy texture and glossy jelly swirls on top. Save
Cooled High-Protein PB&J Rice Krispie Bars are cut into squares, showing a chewy texture and glossy jelly swirls on top. | butterhollow.com

Remember those classic Rice Krispie treats that were the highlight of childhood snack times? This grown-up, protein-packed version combines the nostalgic snap, crackle, and pop with everyone's favorite sandwich duo—peanut butter and jelly. These High-Protein PB&J Rice Krispie Bars transform a simple dessert into a satisfying snack that works just as well for breakfast on-the-go as it does for an afternoon pick-me-up. The familiar cereal base gets upgraded with creamy peanut butter and protein powder, while the decorative swirls of PB drizzle and fruity jelly bring both visual appeal and that classic flavor combination we all adore.

Cooled High-Protein PB&J Rice Krispie Bars are cut into squares, showing a chewy texture and glossy jelly swirls on top. Save
Cooled High-Protein PB&J Rice Krispie Bars are cut into squares, showing a chewy texture and glossy jelly swirls on top. | butterhollow.com

These bars were born from a desire to transform my post-workout protein routine into something actually enjoyable. I found myself dreading another shake, but still needing that protein boost. The solution came in a nostalgic flash—why not upgrade a childhood favorite? The combination of crisped rice cereal's satisfying crunch, peanut butter's rich creaminess, and the sweet-tart pop of jelly creates a perfect balance that satisfies both nutritional needs and snack cravings. Plus, they're sturdy enough to pack in lunch boxes or gym bags without falling apart.

Ingredients

  • 4 cups crisped rice cereal
  • 1 cup creamy peanut butter (for base)
  • 1/2 cup honey or maple syrup
  • 1/4 cup vanilla or unflavored protein powder (for base)
  • 1/4 tsp fine sea salt
  • 1 tsp vanilla extract
  • 1/3 cup peanut butter (for drizzle)
  • 2 tbsp vanilla or unflavored protein powder (for drizzle)
  • 2 tbsp milk (dairy or plant-based, as needed for consistency)
  • 1/3 cup strawberry or grape jelly (or jam), slightly warmed
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Instructions

Prepare the pan
Line an 8x8-inch (20x20 cm) baking pan with parchment paper, leaving overhang for easy removal.
Create the base mixture
In a large saucepan, gently heat 1 cup peanut butter and honey (or maple syrup) over low heat, stirring until smooth and combined. Remove from heat.
Add flavoring and protein
Stir in vanilla extract, salt, and 1/4 cup protein powder until fully incorporated.
Incorporate cereal
Add crisped rice cereal and mix until evenly coated.
Form the base
Press the mixture firmly and evenly into the prepared baking pan.
Prepare protein drizzle
In a small bowl, mix 1/3 cup peanut butter with 2 tbsp protein powder and enough milk to create a thick, pourable drizzle.
Add first topping
Drizzle the peanut butter protein mixture over the pressed base.
Create jelly swirls
Warm the jelly slightly to loosen, then drop spoonfuls over the top. Use a knife or skewer to swirl the jelly and peanut butter drizzle decoratively.
Chill
Chill in the refrigerator for at least 40 minutes, or until set.
Cut and serve
Lift out of the pan using parchment, cut into 12 bars, and enjoy.

Zusatztipps für die Zubereitung

Make sure your peanut butter is well-stirred before measuring. Natural peanut butters that separate will work, but you'll want to ensure the oils are fully incorporated for the best texture and binding. When melting the peanut butter with honey or maple syrup, keep the heat very low to prevent scorching—peanut butter can burn quickly. The protein powder may initially seem difficult to incorporate fully, but a little extra stirring will ensure a smooth mixture without clumps that could affect the final texture.

Varianten und Anpassungen

For those with nut allergies, sunflower seed butter creates a similarly delicious result. If you're watching sugar intake, choose a no-added-sugar jam and opt for a monk fruit or stevia-sweetened protein powder. For a tropical twist, try coconut butter in place of some of the peanut butter and pair with pineapple jam. Chocolate lovers can add 2 tablespoons of cocoa powder to the base mixture and use chocolate protein powder for an even more decadent treat that pairs wonderfully with raspberry jam.

Serviervorschläge

These versatile bars can be enjoyed in numerous ways. For breakfast, pair with fresh berries and a cup of coffee or tea. As a dessert, try warming slightly (10 seconds in the microwave) and topping with a small scoop of vanilla ice cream for an elevated treat. For an extra-special presentation, drizzle with a little melted dark chocolate just before serving. They also make excellent hiking or biking fuel when wrapped individually—the stable texture holds up well even on warm days.

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| butterhollow.com

These High-Protein PB&J Rice Krispie Bars represent the perfect balance of nutrition and indulgence. They prove that healthy-ish eating doesn't have to be boring or complicated. By transforming familiar flavors into a more nutritious package, you get to enjoy a treat that satisfies both your inner child and your adult nutritional needs. Whether you're fueling up for a workout, looking for a better breakfast option, or just wanting a smarter sweet treat, these bars deliver satisfaction in every bite—proving that sometimes the best innovations come from reimagining the classics we already love.

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Kitchen Tips & Answers

How long do these bars stay fresh?

These peanut butter jelly bars keep for up to 1 week when stored in an airtight container in the refrigerator. The cold helps maintain their chewy texture and keeps the protein drizzle firm.

Can I make these bars vegan?

Absolutely! Use maple syrup instead of honey and choose a plant-based protein powder. The resulting bars will be completely vegan while maintaining their delicious flavor and protein content.

What type of protein powder works best?

Vanilla or unflavored protein powder works beautifully in this recipe. Whey, casein, or plant-based proteins all incorporate well. Unflavored varieties let the peanut butter and jelly shine, while vanilla adds subtle sweetness.

Can I use different nut butters?

Yes! Almond butter or sunflower seed butter make excellent substitutes for peanut butter. Each option brings its own unique flavor profile while maintaining the creamy texture and protein content.

Do these need to be refrigerated?

Refrigeration is recommended to help the bars set properly and maintain their shape. The chilling time of at least 40 minutes ensures clean cuts and prevents them from becoming too soft at room temperature.

What jelly flavors work well?

Strawberry and grape are classic choices, but feel free to experiment with raspberry, blueberry, apricot, or mixed berry jams. Warm the jelly slightly before swirling to make it easier to spread and create beautiful patterns.

High-Protein PB&J Rice Krispie Bars

Crispy, chewy bars with peanut butter protein drizzle and jelly swirls—perfect for snacking.

Prep duration
15 min
Heat duration
5 min
Complete duration
20 min
Created by Ella Thompson


Skill level Easy

Heritage American

Output 12 Portions

Eating preferences Meat-free

What you'll need

Base

01 4 cups crisped rice cereal
02 1 cup creamy peanut butter
03 1/2 cup honey or maple syrup
04 1/4 cup vanilla or unflavored protein powder
05 1/4 teaspoon fine sea salt
06 1 teaspoon vanilla extract

Toppings

01 1/3 cup peanut butter for drizzle
02 2 tablespoons vanilla or unflavored protein powder for drizzle
03 2 tablespoons milk, dairy or plant-based, as needed for consistency
04 1/3 cup strawberry or grape jelly, slightly warmed

Method

Phase 01

Prepare baking pan: Line an 8x8-inch baking pan with parchment paper, leaving overhang on sides for easy removal.

Phase 02

Heat peanut butter mixture: In a large saucepan, gently heat 1 cup peanut butter and honey over low heat, stirring until smooth and fully combined.

Phase 03

Incorporate dry ingredients: Remove from heat and stir in vanilla extract, salt, and protein powder until fully incorporated.

Phase 04

Combine with cereal: Add crisped rice cereal and mix until evenly coated throughout the mixture.

Phase 05

Press into pan: Transfer mixture to prepared baking pan and press firmly and evenly across the entire surface.

Phase 06

Prepare protein drizzle: In a small bowl, mix 1/3 cup peanut butter with 2 tablespoons protein powder and enough milk to create a thick, pourable consistency.

Phase 07

Apply protein drizzle: Drizzle the peanut butter protein mixture evenly over the pressed base layer.

Phase 08

Swirl jelly topping: Warm jelly slightly to loosen, then drop spoonfuls over the top. Use a knife or skewer to swirl the jelly and peanut butter drizzle decoratively.

Phase 09

Chill bars: Refrigerate for at least 40 minutes or until the bars are completely set.

Phase 10

Cut and serve: Lift bars out of pan using parchment paper overhang, cut into 12 equal bars, and serve.

Kitchen tools needed

  • 8x8-inch baking pan
  • Parchment paper
  • Large saucepan
  • Mixing bowls
  • Spatula
  • Knife or skewer

Allergy details

Always review individual ingredients for potential allergens and seek professional medical guidance if uncertain.
  • Contains peanuts or tree nuts if using almond butter
  • Contains dairy if using cow's milk or certain protein powders
  • Contains gluten if using non-gluten-free crisped rice cereal or protein powder
  • Always check labels of protein powder and cereal for hidden allergens

Nutrient breakdown per portion

Numbers shown are estimates only - consult healthcare providers for specific advice.
  • Energy: 185
  • Fats: 8 g
  • Carbohydrates: 22 g
  • Proteins: 7 g