How to Make Marshmallows

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Homemade marshmallows seem like a feat of culinary genius, but in reality, it's pretty simple. Need the perfect way to impress at the next cook-out or camping trip? How about taking those s'mores to the next level with some homemade marshmallows? The only problem is that you will never stop getting requests to bring your "world famous" marshmallows to the next get together.

Image Credit: Jackie Dodd,

Things You'll Need

  • Powdered sugar

  • 3 ½ envelopes unflavored gelatin (such as Knox)

  • 1 cup ice cold water, divided

  • 2 cups granulated sugar

  • ½ cup light corn syrup

  • 2 large egg whites

  • ½ tsp salt

  • 1 tablespoon vanilla extract


Make it your own! Add any extract flavor that you love to make your own version of this delicious treat.

Step 1: Prepare the Pan

Prepare the pan. Grease well (butter, margarine, or vegetable shortening) and then cover in powdered sugar.

Image Credit: Jackie Dodd,

Step 2: Start the Gelatin

In the bowl of a stand mixer add 3 1/2 packets of gelatin to 1/2 cup ice cold water. Let stand while you prepare the sugar.

Image Credit: Jackie Dodd,

Step 3: Boil the Sugar

In a pan over medium heat stir together 2 cups of granulated sugar, 1/2 cup corn syrup and 1/2 cup water. Once the sugar has dissolved, turn the heat to high, allow to boil until the mixture has reached 240 degrees Fahrenheit on a candy thermometer.

Image Credit: Jackie Dodd,

Step 4: Add the Hot Sugar to the Gelatin

Turn the mixer on low and slowly pour the hot sugar into the gelatin mixture. Once all the sugar has been added, raise speed to high. Beat on high until light and fluffy and tripled in volume, about 6 minutes.

Image Credit: Jackie Dodd,

Step 5: Add the Egg Whites

In a medium bowl, add the egg whites and salt. Beat with a hand mixer until stiff peaks form. Gently fold in the egg whites and vanilla into the marshmallows.

Image Credit: Jackie Dodd,

Step 6: Add to the Pan

Pour the marshmallows into the prepared pan. Smooth into an even layer, and then sprinkle with powdered sugar.

Image Credit: Jackie Dodd,

Step 7: Allow to Set, Then Cut

Allow to sit at room temperature until set, about 3 hours. Invert the pan on a flat surface, and slice into squares.

Image Credit: Jackie Dodd,


Make them cute! Use a cookie cuter to cut out shapes to match your party theme.

Image Credit: Jackie Dodd,


These marshmallows will stay fresh 3 to 4 days in a ziplock bag.