Homemade Marshmallow Rice Krispie Squares

4.62 from 13 votes

Homemade Marshmallow Rice Krispie Squares

It's possible to make Homemade Marshmallow Rice Krispie Squares - completely from scratch! Perfect for when you run out of marshmallows.

Course: Dessert, Snack

Cuisine: American

Keyword: cereal, crisp rice, dessert, from scratch, gluten free, homemade, kid friendly, marshmallow, rice krispies, snack, vanilla, vegetarian

Servings:

Calories: 151kcal

Author: Carissa Serink

Equipment

Ingredients

2 Tablespoons unflavored gelatin powder (2 packets if using Knox Gelatine packets)
1 cup cold water divided
12 ounces granulated sugar
½ cup white corn syrup
1 teaspoon vanilla (see note)
pinch salt
4 Tablespoons butter melted (see note)
12 cups crisp rice cereal
¾ cup sprinkles (optional)

Instructions

Generously grease a 9x13 inch baking pan with oil or cooking spray. Set aside.
Add ½ cup of the water to the bowl of a stand mixer. Sprinkle the gelatin over the top and allow it to sit until the gelatin has absorbed the water, at least 5 minutes.
Meanwhile, add the remaining ½ cup water, sugar and corn syrup to a medium saucepan. Cover and heat over medium heat for 4 minutes. Remove lid and attach a candy thermometer to the saucepan. Increase heat to medium high and continue to heat without stirring until the mixture reaches 240°F (the mixture will come to a rapid boil). Immediately remove from heat.
Turn the stand mixer on low speed, and slowly pour the hot sugar mixture over the dissolved gelatin. Once all the sugar has been added, slowly increase the mixer to high speed, and continue to mix until it becomes thick, and shiny white, and is cooled, about 5-7 minutes. Reduce mixer speed to low and add the vanilla and salt. Turn back to high speed and mix for another minute. Turn mixer back to low speed and add melted butter. Increase mixer to medium speed, and mix until butter is incorporated, about 30-60 seconds (marshmallow may deflate slightly).
Add rice cereal and sprinkles (if using) and stir until completely mixed (it may be easier to do this in a bowl that is larger than your stand mixer bowl, if you have one). Transfer the mixture to the prepared baking pan and gently by firmly press into the corners. Allow to set at room temperature, about 30-60 minutes. Cut into squares and store in an airtight container or zipper bag at room temperature or freeze.

Notes

To give them a more authentic "cake mix" style funfetti flavor, use clear vanilla.

Use a dairy-free butter alternative to make this recipe dairy-free.

Nutrition