Protein Rice Krispies Squares Recipe
Introduction
Protein Rice Krispies are a delicious twist on a classic treat, combining crispy cereal with a boost of vanilla-flavored protein powder. They make a perfect snack that’s both satisfying and energizing for any time of day.

Ingredients
- 5 cups Rice Krispies or crispy rice cereal
- 2 tablespoons milk (regular or almond milk)
- 1/2 cup vanilla flavored protein powder
- 4 tablespoons salted butter
- 10.5 ounce bag mini marshmallows
- 1 teaspoon vanilla extract
- Sprinkles (optional)
Instructions
- Step 1: Line a 9×9 inch pan with foil or parchment paper and grease it with butter or nonstick cooking spray.
- Step 2: In a small bowl, whisk together the milk and protein powder until smooth and combined, then set aside.
- Step 3: Heat a large pot over medium heat and melt the butter.
- Step 4: Reduce the heat to low, add the mini marshmallows to the pot, and stir until completely melted.
- Step 5: Stir in the vanilla extract and the milk-protein mixture until well combined.
- Step 6: Remove the pot from heat and add the Rice Krispies cereal, stirring gently until all the cereal is coated with the marshmallow mixture.
- Step 7: Pour the mixture into the prepared pan and gently press it down. Avoid pressing too hard to keep the treats light and chewy.
- Step 8: Sprinkle with sprinkles if desired, then let the mixture rest for 30 to 60 minutes until set.
- Step 9: Slice into squares and enjoy your protein-packed Rice Krispies treats!
Tips & Variations
- For a dairy-free option, use almond milk and a plant-based protein powder.
- Try adding chopped nuts or seeds for extra texture and nutrition.
- Use flavored protein powders like chocolate or berry to mix up the taste.
- Pressing the treats too firmly can make them dense and hard; keep it gentle for the best texture.
Storage
Store the Protein Rice Krispies in an airtight container at room temperature for up to 3 days. If your kitchen is warm, refrigeration can help maintain their texture for up to a week. Reheat slightly in the microwave if they become too firm.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I use other cereals besides Rice Krispies?
Yes, other crispy cereals like puffed wheat or cornflakes can work, but the texture and flavor will vary slightly.
What type of protein powder works best?
Vanilla-flavored protein powder is recommended for the best flavor, but you can experiment with chocolate or unflavored varieties based on your preference.
PrintProtein Rice Krispies Squares Recipe
These Protein Rice Krispies are a delicious and nutritious twist on the classic treat, combining crispy rice cereal with vanilla protein powder and mini marshmallows for a chewy, satisfying snack that’s perfect for a quick energy boost or post-workout fuel.
- Prep Time: 10 minutes
- Cook Time: 10 minutes
- Total Time: 40-70 minutes
- Yield: 16 squares 1x
- Category: Snack
- Method: Stovetop
- Cuisine: American
- Diet: Low Fat
Ingredients
Main Ingredients
- 5 cups Rice Krispies or crispy rice cereal
- 2 tablespoons milk (regular or almond milk)
- 1/2 cup vanilla flavored protein powder
- 4 tablespoons salted butter
- 10.5 ounce bag mini marshmallows
- 1 teaspoon vanilla extract
- Sprinkles (optional)
Instructions
- Prepare Pan: Line a 9×9 inch pan with foil or parchment paper and grease it with butter or nonstick cooking spray to prevent sticking.
- Mix Protein and Milk: In a small bowl, whisk together the milk and vanilla protein powder until the mixture is smooth and fully combined. Set aside for later use.
- Melt Butter: Place a large pot or stock pot over medium heat and add the butter. Allow it to melt completely, stirring occasionally to prevent burning.
- Melt Marshmallows: Reduce the heat to low and add the entire bag of mini marshmallows to the melted butter. Stir continuously until the marshmallows are fully melted and smooth.
- Combine with Protein Mixture: Stir in the vanilla extract and the prepared milk-protein powder mixture into the melted marshmallows thoroughly.
- Add Cereal: Remove the pot from heat. Immediately stir in the Rice Krispies cereal until every piece is completely coated with the marshmallow-protein mixture.
- Press in Pan: Transfer the mixture into the prepared pan. Gently press down using a spatula or wax paper to evenly distribute the mixture. Avoid pressing too hard to keep the treats light and chewy.
- Add Sprinkles: If desired, sprinkle colorful sprinkles on top for a festive touch.
- Set and Slice: Allow the treats to rest at room temperature for 30 to 60 minutes until fully set. Once firm, slice into squares and serve.
Notes
- You can substitute almond milk or any milk of choice.
- Press gently when packing the mixture into the pan to keep treats soft and chewy.
- Sprinkles are optional and add a fun touch for kids or celebrations.
- Store in an airtight container to maintain freshness.
- For a vegan option, use vegan marshmallows and a plant-based protein powder.
Keywords: Protein Rice Krispies, Protein Snack, Healthy Rice Krispies, Protein Treats, Easy Protein Recipe, Rice Cereal Snack

