Rice Krispie Treat Ice Cream Sandwich: 3-Ingredient Summer Magic

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Homemade rice krispie treat ice cream sandwiches with vanilla ice cream on wooden serving board

Quick Desserts

Difficulty

Easy

Prep time

15 minutes

Cooking time

0 minutes

Total time

4 hours 15 minutes

Servings

9

Rice Krispie Treat Ice Cream Sandwich – Why You’ll Love This Recipe

Three weeks ago, my daughter came running into the kitchen with her phone, practically vibrating with excitement. “Mom, you HAVE to see this!” she squealed, showing me yet another TikTok video. But this time, I actually stopped what I was doing and watched.

I have been seeing videos everywhere lately of the new Rice Krispies Ice Cream Sandwiches and honestly? I was skeptical. Until I made my first batch.

This rice krispie treat ice cream sandwich recipe is perfect for busy moms who want to give their families something special without spending hours in the kitchen. Whether you’re hosting a summer barbecue, need a quick after-school treat, or just want to impress your neighbors at the block party, this 3-ingredient wonder delivers big flavor with minimal effort.

What makes this recipe so appealing? Simplicity first – you literally need just three ingredients. Speed comes next – 15 minutes of active time, plus freezing. And the taste? Pure nostalgic magic that’ll have adults sneaking seconds when the kids aren’t looking.

In this post, you’ll learn exactly how to make these viral treats at home, discover smart ingredient swaps for different dietary needs, and get my insider tips for avoiding the most common mistakes that can turn your ice cream sandwiches into a sticky mess.

Rice Krispie Treat Ice Cream Sandwich – Ingredients and How to Make It

What You’ll Need

Just three simple ingredients create this amazing frozen treat that everyone will love!

The Holy Trinity of Ingredients:

  • 1 box (12 oz) Rice Krispies cereal
  • 1 bag (10 oz) mini marshmallows
  • 1/2 gallon ice cream (vanilla works beautifully, but any flavor you love)

Optional Substitutions:

  • Butter alternative: Types of butter – use coconut oil for dairy-free
  • Cereal swap: Brown rice crisps for whole grain boost
  • Marshmallow option: Sugar-free marshmallows work perfectly
  • Ice cream: Try our cottage cheese banana ice cream for protein power

Dietary Notes: Naturally gluten-free when using certified GF cereal. Make it dairy-free with coconut ice cream and vegan butter.

Step-by-Step Instructions

Follow these simple steps to create your own rice krispie treat ice cream sandwiches at home.
  1. Prep your pans: Line two 8×8 baking dishes with parchment paper, leaving overhang for easy removal.
  2. Melt your magic: In a large microwave-safe bowl, melt 3 tablespoons butter with marshmallows in 30-second intervals, stirring between each, until smooth (about 2 minutes total).
  3. Mix it up: Immediately stir in Rice Krispies cereal until every piece is coated and glistening.
  4. Press and divide: Working quickly, press half the mixture firmly into each prepared pan. Use a buttered spatula or your hands (slightly damp works great).
  5. Cool completely: Let treats set at room temperature for 30 minutes.
  6. Add the ice cream: Soften ice cream slightly, then spread evenly over one Rice Krispie base. Top with the second base, pressing gently.
  7. Freeze solid: Wrap tightly and freeze for at least 4 hours or overnight.
  8. Slice and serve: Use a sharp knife dipped in warm water between cuts for clean slices.

Chef Greeny’s Tips: “The secret to perfect treats? Don’t overheat your marshmallows – they’ll get tough. And always butter your hands when pressing – it prevents sticking and gives you better control.”

“For Instagram-worthy slices, let your frozen sandwich sit at room temperature for exactly 2-3 minutes before cutting. Too long and it gets messy, too short and it cracks.”

Common Mistakes to Avoid:

  • Overheating marshmallows (makes them rubbery)
  • Not pressing treats firmly enough (they’ll crumble)
  • Using ice cream that’s too soft (creates a messy middle)

Recipe Notes & Storage

Storage: Wrap individual sandwiches in plastic wrap and store in freezer for up to 1 month. For best texture, consume within 2 weeks.

Scaling Up: Double this recipe easily for parties – use 9×13 pans instead of 8×8.

Make-Ahead Magic: Assemble completely and freeze. Perfect for meal prep or unexpected guests.

Presentation Pro-Tip: Cut into fun shapes with large cookie cutters while semi-frozen, or slice into bars and roll edges in sprinkles.

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Rice Krispie Treat Ice Cream Sandwich


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  • Author: Chef Greenie
  • Total Time: 255
  • Yield: 9 1x
  • Diet: Vegetarian

Description

These viral rice krispie treat ice cream sandwiches combine crispy homemade treats with creamy ice cream for the ultimate summer dessert. With just 3 ingredients and 15 minutes of prep time, you’ll have a frozen treat that rivals any ice cream shop!


Ingredients

Scale

1 box (12 oz) Rice Krispies cereal

1 bag (10 oz) mini marshmallows

3 tablespoons butter

1/2 gallon vanilla ice cream (or your favorite flavor)


Instructions

1. Line two 8×8 baking dishes with parchment paper, leaving overhang for easy removal.

2. In a large microwave-safe bowl, melt butter and marshmallows in 30-second intervals, stirring between each, until smooth (about 2 minutes total).

3. Immediately stir in Rice Krispies cereal until every piece is coated and glistening.

4. Working quickly, press half the mixture firmly into each prepared pan using a buttered spatula.

5. Let treats set at room temperature for 30 minutes until completely cooled.

6. Soften ice cream slightly, then spread evenly over one Rice Krispie base.

7. Top with the second base, pressing gently to adhere.

8. Wrap tightly and freeze for at least 4 hours or overnight.

9. Use a sharp knife dipped in warm water to cut into 9 squares, cleaning knife between cuts.

Notes

Store wrapped individual sandwiches in freezer for up to 1 month.

For best results, let frozen sandwiches sit 2-3 minutes before cutting.

Try different ice cream flavors like strawberry, chocolate, or cookies and cream.

Double the recipe easily using 9×13 pans for larger crowds.

Butter your hands when pressing treats to prevent sticking.

  • Prep Time: 15
  • Category: Dessert
  • Method: No-Bake
  • Cuisine: American

Nutrition

  • Serving Size: 1
  • Calories: 245
  • Sugar: 28
  • Sodium: 180
  • Fat: 8
  • Saturated Fat: 5
  • Unsaturated Fat: 2
  • Trans Fat: 0
  • Carbohydrates: 42
  • Fiber: 0
  • Protein: 4
  • Cholesterol: 25

Rice Krispie Treat Ice Cream Sandwich – Nutrition Facts & Smart Tips

Estimated Nutrition (Per Serving – Makes 9 sandwiches)

NutrientAmount
Calories245
Carbs42g
Protein4g
Fat8g
Sugar28g
Fiber0g

Note: According to USDA FoodData Central, most prepackaged Rice Krispies Treats contain 90 calories per bar, but our homemade ice cream version adds the creamy indulgence that makes it worth the extra calories.

Health Talk

Let’s be real – this isn’t a health food, and that’s perfectly okay! Sometimes we need pure joy in edible form. But here’s what I love about this recipe: you control every ingredient.

Smart Swaps for Health-Conscious Families:

Diet Compatibility:

  • Gluten-Free: Yes, when using certified GF cereal
  • Vegetarian: Absolutely
  • Keto: Not compatible (high carb content)
  • Dairy-Free: Easily adaptable with plant-based alternatives

Sugar Awareness: The American Heart Association recommends limiting added sugars to no more than 6% of calories each day – about 6 teaspoons for women and 9 teaspoons for men. This treat contains about 7 teaspoons of sugar per serving, so consider it an occasional indulgence rather than daily fare.

Compared to Store-Bought: Homemade versions typically have 30% less preservatives and you can control sugar content. Plus, they taste infinitely better!

Rice Krispie Treat Ice Cream Sandwich – Creative Variations to Try

Get creative with flavors and shapes – try chocolate, strawberry, or cookies and cream ice cream!

Flavor Upgrades:

  • Chocolate lovers: Add 2 tablespoons cocoa powder to marshmallow mixture
  • Birthday party: Mix in colorful sprinkles before pressing
  • Adult version: Brush treats with vanilla extract before assembly
  • Holiday magic: Use peppermint ice cream with crushed candy canes

Texture Adventures:

  • Crunchy element: Press chopped nuts into treats before adding ice cream
  • Gooey center: Drizzle caramel sauce between layers
  • Protein boost: Mix protein powder into softened ice cream

Shape Shifters:

  • Individual treats: Use muffin tins for personal-sized portions
  • Waffle form: Press mixture into waffle maker for textured treats
  • Bar style: Make in 9×13 pan and cut into rectangles

Kid-Friendly Wins:

  • Rainbow layers: Use different colored ice creams in stripes
  • Monster sandwiches: Add googly candy eyes before freezing
  • Dipped treats: Roll edges in mini chocolate chips or crushed cookies

Rice Krispie Treat Ice Cream Sandwich – How to Serve It

Perfect Timing:

  • Summer parties: The ultimate crowd-pleaser that beats the heat
  • After school treats: Ready-to-grab energy boost from the freezer
  • Weekend breakfast: Yes, I said it – sometimes Saturday mornings call for ice cream
  • Post-workout: Surprisingly good recovery treat when made with protein ice cream

Winning Pairings:

  • Coffee lovers: Serve alongside iced coffee or cold brew
  • Fruit balance: Fresh berries on the side cut the sweetness perfectly
  • Grown-up style: Pair with a glass of cold milk spiked with vanilla
  • Party presentation: Create a DIY topping bar with hot fudge, caramel, and sprinkles

Chef Greeny’s Favorite Serving Idea: “I love serving these at outdoor barbecues in small paper boats – easy to handle, no plates needed, and they look adorable. Plus, any melting stays contained!”

Rice Krispie Treat Ice Cream Sandwich – Frequently Asked Questions

Can I make these ahead for a party?

Absolutely! These actually improve after 24 hours in the freezer as flavors meld. Make up to one week ahead.

What if my Rice Krispie treats are too hard to cut?

Let the frozen sandwich sit at room temperature for 2-3 minutes, then use a sharp knife dipped in warm water between each cut.

Can I use different ice cream flavors?

Yes! Vanilla, strawberry, and cookies & cream work beautifully. Avoid ice creams with large chunks that might make cutting difficult.

Why did my treats turn out soggy?

This usually happens when the treats aren’t completely cooled before adding ice cream, or if the ice cream is too soft. Always let treats set completely first.

How do I prevent the ice cream from melting everywhere?

Work quickly and keep your ice cream slightly firm – not rock hard, but not soup either. The sweet spot is “spreadable but not drippy.

Rice Krispie Treat Ice Cream Sandwich – Final Thoughts from Chef Greeny

Nothing beats the joy of sharing homemade treats with family and friends on a beautiful summer day.

There’s something magical about turning three simple ingredients into a treat that makes people stop mid-conversation and ask, “Wait, you made these yourself?”

This rice krispie treat ice cream sandwich perfectly captures what I love most about 3-ingredient cooking – maximum impact with minimum fuss. It’s proof that the best recipes aren’t always the most complicated ones.

I’ve watched my neighbor’s kids bike over specifically asking if I’m making “those sandwiches again,” and I’ve seen grown adults do little happy dances after their first bite. That’s the power of combining familiar flavors in an unexpected way.

The beauty of this recipe lies in its flexibility. Make it exactly as written for classic perfection, or use it as your canvas for creativity. Try our cottage cheese pistachio ice cream for a sophisticated twist, or stick with store-bought vanilla for foolproof family fun.

Remember, the best part about homemade treats isn’t just the eating – it’s the making. Get your kids involved, let them press the treats (supervised, of course), and watch their faces light up when they realize they helped create something this amazing.

Tried this 3-ingredient magic? Tag us @3ingredientrecipe on Pinterest or share your twist in the comments — Chef Greeny reads them all!

P.S. – If you love this recipe, you’ll absolutely adore our healthy 3-ingredient brownies for another guilt-free indulgence that’ll shock your taste buds.

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