Easy Protein Rice Krispie Treats

Why You’ll Love This Recipe

Easy Protein Rice Krispie Treats are a quick and satisfying snack that blends nostalgic crunch with a nutritious protein boost. Ideal for pre- or post-workout, school lunches, or a midday pick-me-up, these bars offer the classic marshmallow-y chew you love—with extra staying power thanks to protein powder. With minimal ingredients and no baking required, they’re the perfect balance of convenience and nutrition.

ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

crispy rice cereal
marshmallows
unsalted butter or coconut oil
vanilla extract
protein powder (vanilla or unflavored works best)
optional mix-ins: mini chocolate chips, peanut butter, chia seeds, or flaxseed

directions

Melt the butter or coconut oil in a large saucepan over low heat.

Add the marshmallows and stir until completely melted and smooth.

Remove from heat and stir in the vanilla extract.

Gradually mix in the protein powder until fully incorporated and smooth.

Fold in the crispy rice cereal until evenly coated.

If using any optional mix-ins, stir them in at this stage.

Press the mixture into a greased or parchment-lined 8×8-inch pan using a spatula or wax paper to flatten.

Let it cool completely at room temperature, then cut into bars.

Servings and timing

This recipe yields approximately 9–12 bars.
Preparation time: 10 minutes
Cooling time: 30 minutes
Total time: 40 minutes

Variations

Add peanut butter or almond butter for extra flavor and protein.

Use chocolate protein powder for a cocoa twist.

Top with a drizzle of dark chocolate for a dessert-style bar.

Add dried cranberries or raisins for a chewy texture.

Mix in crushed nuts for a crunchier bite.

storage/reheating

Store in an airtight container at room temperature for up to 3 days.
Refrigerate for up to 1 week for a firmer texture.
Freeze for up to 2 months—separate layers with parchment to avoid sticking.
No reheating required; enjoy straight from the fridge or at room temp.

FAQs

Can I use any kind of protein powder?

Yes, but avoid grainy or overly thick powders—whey and plant-based blends both work well.

Are these treats too sweet?

They’re mildly sweet thanks to marshmallows—adjust by using less or choosing unsweetened nut butter.

Can I make them vegan?

Yes, use vegan marshmallows, plant-based butter, and a vegan protein powder.

Why are my bars too hard?

Overcooking the marshmallow mixture can lead to hard treats—melt over low heat and don’t overmix.

Can I skip the butter?

Coconut oil is a great substitute for a dairy-free or lighter option.

What if I don’t have protein powder?

You can skip it, though the bars will be lower in protein.

Can I double the recipe?

Yes, just use a 9×13-inch pan instead and press the mixture evenly.

Can kids eat these?

Absolutely—just be mindful of protein levels and any added ingredients like nuts.

Can I add cocoa powder?

Yes, a tablespoon of unsweetened cocoa powder adds a chocolaty depth.

Do they stay crispy?

They’ll stay chewy-crisp for several days if stored properly.

Conclusion

Easy Protein Rice Krispie Treats are a fast, customizable, and nutritious way to satisfy your snack cravings without compromising on taste or texture. Whether you’re fueling a workout or feeding hungry kids, these protein-packed bars are sure to become a go-to in your snack arsenal.

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