Sour Apple Marshmallow Krispie Treats
These crispy, chewy and colorful krispie treats made with green sour apple marshmallows are a fun and delicious twist on a classic finger food treat.

Marshmallow krispie treats are the best.
They’re easy to make, have a little salt (in the butter), sweet (from the marshmallow), and crunch (from the cereal).
The perfect combination.
Marshmallow krispie treats can be fun to make too because cereal comes in so many pretty and vibrant colors.
About this Recipe
In this recipe, the krispie treats are made with rice krispies cereal with “spring colors” which has 2 additional colors in it, a light blue and light green.
Candy Sprinkles
To add some sparkle, these krispie treats are topped with candy sugar crystals (sprinkles) with colors similar to the cereal.
The sprinkles kind of look like jewels on top of the krispie treats and add a light crispiness to each bite.
I haven’t mentioned the best part yet…the sour apple marshmallows.
These marshmallows actually taste like sour apple candy and are the perfect color to match the light green in the cereal and candy sprinkles.

Decorating the Krispie Treats
As an option, the top of each krispie treat can be decorated with half of one of the sour apple marshmallows.
Since these marshmallows are in the shape of an apple, decorating the krispie treat is a nice touch.
A dollop of marshmallow creme can be used on the back of the marshmallow so it will stick on the krispie treat.
And the sour apple flavor is just right, not too strong or overbearing.
Let’s check out the ingredients.

Krispie Treats – Puffed rice cereal with spring colors, sour apple marshmallows and butter (salted)
Topping (optional) – Light blue, and light green sugar sprinkles (or similar colors to the puffed rice cereal)
Additional Optional Topping – sour apple marshmallows (cut in half lengthwise, to decorate the top of the krispie treats); and marshmallow creme (used to stick the sour apple marshmallows on top of the krispie treats)
HOW TO MAKE THIS RECIPE
A printable recipe with the measurements and instructions is located at the bottom of this post.
Preparation
Grease the inside of a casserole dish or pan with softened butter (for this recipe a 12 x 8 size casserole dish is used).
Set aside.
For the Krispie Treats

In a large bowl, add the puffed rice cereal.

Set aside.

In another large bowl that’s microwave-safe, add the softened butter.

TIP – Make sure to use softened butter so that it will melt quickly along with the marshmallows when warmed in the microwave.

Then add all of the sour apple marshmallows that are in the package.
The package generally has 23 sour apple marshmallows in it.

Warm the marshmallows and butter in the microwave for 40 seconds.
The warmed marshmallows should look soft but not completely melted like in the picture above.

Then using a soft spatula, gently stir the marshmallow mixture…

…just enough so that it’s creamy.
TIP – Be careful not to over-warm or over-stir the marshmallow mixture or it will seize up (be sticky and stiff).

Next,

…to the bowl with the puffed rice cereal…

…add the melted marshmallow mixture.

Using a soft spatula or a large sturdy spoon…

…gently mix the ingredients together until the cereal is coated with the marshmallow mixture.

Transfer the mixture into the greased casserole dish.

Use a soft spatula to press the mixture evenly into the dish.
You can also use your hands with just a little water on them to press the mixture into the dish.
Topping
TIP – The sprinkles need to be added to the top of the krispie treats as soon as possible so that they will stick.

Candy Sprinkles – Add the light blue and green sugar sprinkles evenly on top of the krispie treats.
Cover with plastic wrap.
Let the krispie treats sit on the counter for about an hour or until they’re set and can be cut.

Then cut into 12 squares (or the desired servings).
These can be served right after cutting them unless sour apple marshmallows are used as a decoration; then there’s one more step as follows.
Sour Apple Marshmallow Decoration (Optional)

Using kitchen scissors (that are for food only), cut the desired amount of sour apple marshmallows in half lengthwise (from bottom to top).

For example, for 12 krispie treats, 6 sour apple marshmallows are needed.

Try to make the cut so that the leaf on top of the marshmallow shows equally on each side.

Then using a dinner knife or small spoon, put a dollop of marshmallow creme on the back (cut) side of each halved sour apple marshmallow…

…and stick it on top of the krispie treat.

The krispie treats also look pretty as is…

…without…

…adding the apple marshmallow on top.

Thank you so much for stopping by CCC!

Recipe inspired by Kelloggs Original Rice Krispie Treats.

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Sour Apple Marshmallow Krispie Treats
Ingredients
For the Krispie Treats:
- 1 package (7 ounces) Sour Apple Marshmallows the entire package is used for the krispie treats
- 6 cups puffed rice cereal with "Spring Colors" or colors of your choice
- 3 tablespoons butter (salted), softened (for the krispie treats)
- 2 teaspoons butter, softened (to grease the casserole dish)
For the Topping:
- Light blue sugar sprinkles (color matched to the puffed rice cereal, or color of your choice)
- Light green sugar sprinkles (color matched to the puffed rice cereal, or color of your choice)
For Decoration:
- Optional – Marshmallow creme used to stick the sour apple marshmallow decoration on top of the krispie treats
- 1 package (7 ounces) Optional – Sour Apple Marshmallows if adding sour apple marshmallows as decoration; a second package of sour apple marshmallows is needed (since an entire package is used to make the krispie treats)
Equipment
- Casserole Dish (a size 12 x 8 is used in this recipe)
Instructions
Preparation:
- Grease the inside of a casserole dish or pan with softened butter. Set aside.
For the Krispie Treats:
- In a large bowl, add puffed rice cereal. Set aside.
- In another large bowl that can go in a microwave, add the softened butter. Make sure to use softened butter so that it will melt quickly along with the marshmallows when warmed in the microwave.
- To the microwaveable large bowl, add all of the sour apple marshmallows that are in the package. The package generally has 23 sour apple marshmallows in it.
- Warm the marshmallows and butter in the microwave for 40 seconds. The warmed marshmallows should look soft but not completely melted.
- Then using a soft spatula, gently stir the marshmallow mixture just enough until it's creamy.
- Be careful not to over-warm or over-stir the marshmallow mixture or it will seize up (be sticky and stiff).
- To the bowl with the puffed rice cereal, add the melted marshmallow mixture.
- Using a soft spatula or a large sturdy spoon, gently mix the ingredients together until the cereal is coated with the marshmallow mixture.
- Transfer the mixture into the greased casserole dish. Use a soft spatula to press the mixture evenly into the dish. You can also use your hands with just a little water on them to press the mixture into the dish.
- Recipe inspired by Kelloggs Original Rice Krispie Treats.
For the Topping:
- Sugar Sprinkles – The sprinkles need to be added to the top of the krispie treats as soon as possible so that they will stick.
- Add the light blue and green sugar sprinkles evenly on top of the krispie treats.
- Cover with plastic wrap. Let the krispie treats sit on the counter for about an hour or until they're set and can be cut. Then cut into 12 squares (or the desired servings).
These can be served right after cutting them unless sour apple marshmallows are used as a decoration; then there's one more step as follows.
- For the Sour Apple Marshmallow Decoration (Optional) – a half marshmallow is used as decoration for each krispie treatUsing kitchen scissors (that are for food only), cut the desired amount of sour apple marshmallows in half lengthwise (from bottom to top).For example, for 12 krispie treats, 6 sour apple marshmallows are needed.
- Try to make the cut so that the leaf on top of the marshmallow shows equally on each side.
- Then using a dinner knife or small spoon, put a dollop of marshmallow creme on the back (cut) side of each halved sour apple marshmallow and stick it on the top of each krispie treat.
Notes
TIPS:
- Make sure to use softened butter so that it will melt quickly along with the marshmallows when warmed in the microwave.
- Be careful not to over-warm or over-stir the marshmallow mixture or it will seize up (be sticky and stiff).
- The sprinkles need to be added to the top of the krispie treats as soon as possible so that they will stick.
Marshmallow Krispie Treat Recipes
Here are more marshmallow krispie treat recipes you may like “Easter Krispie Treats“, “Captain Crunch and Pretzel Marshmallow Krispie Treats” and “Captain Crunch and Froot Loop Marshmallow Krispie Treats“.
Dessert Recipes
More Dessert Recipes You May Like:
Easy Homemade Brownies with Walnuts
Blueberry Muffins with Lemon Streusel
Biscoff Cookie Butter Blondies
Blackberry and Lemon Mason Jar Lid Pies
Recipes with Marshmallows
Candied Sweet Potatoes with Pineapple and Macadamia Nuts
Toasted Marshmallow Malted Milkshake

These look dangerously delicious! I have been working remotely so I can’t take them into the office to share which is how I usually deal with temptation.
Hi Carole! Thank you! I think you should make them anyway (;