Homemade Marshmallows

Homemade Marshmallows is a easy American recipe that serves 16. 35 calories per serving. Recipe by Preppy Kitchen on YouTube.

Prep: 22 min | Cook: 12 min | Total: 44 min

Cost: $2.16 total, $0.13 per serving

Ingredients

  • 1 tablespoon Vegetable Oil (neutral oil for brushing the pan)
  • 1 cup Powdered Sugar (for dusting the pan, cutting surface, hands and knife)
  • 0.5 cup Water (cold water for blooming gelatin)
  • 2 packets Gelatin (about 14 g total, unflavored)
  • 1.5 cups Granulated Sugar (white granulated)
  • 1 cup Light Corn Syrup (helps prevent crystallization)
  • 2 teaspoons Vanilla Extract (pure vanilla extract)
  • 0.25 teaspoon Salt (fine sea salt)

Instructions

  1. Prepare the Pan

    Brush the 8×8‑inch dish with a thin layer of vegetable oil, then dust it generously with powdered sugar, turning the dish to coat all sides.

    Time: PT5M

  2. Bloom the Gelatin

    In the stand mixer bowl, pour ½ cup cold water and sprinkle the two gelatin packets over it. Let sit for a few minutes until fully hydrated.

    Time: PT5M

  3. Make the Sugar Syrup

    Combine ½ cup water, 1½ cups granulated sugar, and 1 cup light corn syrup in a small saucepan. Stir over medium heat until the sugar dissolves, then continue heating without stirring until the mixture reaches 240°F (115°C).

    Time: PT12M

    Temperature: 240°F

  4. Combine Gelatin and Syrup

    With the mixer on low, slowly pour the hot syrup into the gelatin mixture. Increase speed to high and beat for about 5 minutes until the mixture becomes thick, glossy, and leaves a soft trail when the whisk is lifted.

    Time: PT5M

  5. Flavor and Season

    Add 2 teaspoons vanilla extract and ¼ teaspoon salt to the marshmallow mixture and mix for 1 minute.

    Time: PT1M

  6. Transfer to the Prepared Dish

    Using a spatula, pour the fluffy mixture into the dusted pan. Smooth the top with the spatula or clean, damp hands.

    Time: PT2M

  7. Set the Marshmallows

    Allow the marshmallows to sit undisturbed for at least 4 hours, or until the surface is no longer tacky.

    Time: PT0M

  8. Dust, Cut, and Finish

    Generously dust a clean cutting surface, your hands, and a sharp knife with powdered sugar. Turn the set marshmallow onto the surface, dust the top, and cut into squares or desired shapes, dusting the knife after each cut.

    Time: PT10M

Nutrition Facts

Calories
35
Protein
0 g
Carbohydrates
8 g
Fat
0 g
Fiber
0 g

Dietary info: gluten‑free, contains gelatin

Allergens: gelatin

Last updated: April 19, 2026

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Homemade Marshmallows

Recipe by Preppy Kitchen

Fluffy, melt‑in‑your‑mouth vanilla marshmallows made from scratch with gelatin, corn syrup, and a hint of vanilla. Perfect for s'mores, hot cocoa, or snacking, these sweet clouds set in a few hours and stay soft for weeks when stored properly.

EasyAmericanServes 16

Shop all ingredients on Amazon in one click • Printable PDF with shopping checklist

Source Video
40m
Prep
0m
Cook
10m
Cleanup
50m
Total

Cost Breakdown

$2.16
Total cost
$0.13
Per serving

Critical Success Points

  • Brush and dust the pan thoroughly to prevent sticking.
  • Heat the sugar syrup to exactly 240°F (115°C).
  • Beat the gelatin‑syrup mixture until it becomes thick, glossy, and leaves a soft trail.
  • Dust the knife and cutting surface between cuts to keep pieces separate.

Safety Warnings

  • The sugar syrup reaches >240°F; handle with care to avoid burns.
  • Hot marshmallow mixture can splatter—pour slowly and keep face away.
  • Use a sharp knife cautiously when cutting the set marshmallows.

Frequently Asked Questions

Everything you need to know about this recipe

Q

What is the cultural significance and history of homemade marshmallows in American confectionery?

A

Marshmallows originated from the ancient Egyptian use of the mallow plant’s sap, but the modern fluffy treat was popularized in the United States in the early 20th century when gelatin replaced the plant extract. They became a staple for s'mores, hot cocoa, and holiday treats, symbolizing comfort and nostalgia in American snack culture.

cultural
Q

How were marshmallows traditionally served in the United States during camping trips?

A

In classic American camping, marshmallows are roasted over an open fire until golden brown and then sandwiched between graham crackers and chocolate to make s'mores. The toasted exterior adds a caramelized flavor that contrasts with the soft interior.

cultural
Q

What regional variations of marshmallows exist within American cuisine?

A

Beyond the classic vanilla version, some U.S. regions add flavors like peppermint for holiday treats, pumpkin spice for autumn, or cocoa for chocolate marshmallows. In the South, marshmallows are sometimes incorporated into sweet potato casseroles and desserts like ambrosia salad.

cultural
Q

What occasions or celebrations are marshmallows traditionally associated with in American culture?

A

Marshmallows are popular at summer campfires, Fourth of July picnics, Halloween parties (as part of s'mores), and holiday baking (e.g., topping sweet potato casserole at Thanksgiving). Their soft texture makes them a favorite for festive hot chocolate toppings.

cultural
Q

What are the authentic traditional ingredients for homemade marshmallows versus acceptable substitutes?

A

Traditional homemade marshmallows use unflavored gelatin, granulated sugar, light corn syrup, water, and vanilla extract. Acceptable substitutes include agar‑agar for a vegetarian version (though texture changes), honey or maple syrup for corn syrup (will alter flavor), and flavored extracts for vanilla.

cultural
Q

What other American dishes pair well with homemade vanilla marshmallows?

A

Homemade vanilla marshmallows pair beautifully with classic American s'mores, hot chocolate, milkshakes, and as a topping for banana splits or ice‑cream sundaes. They also work well in dessert trays alongside brownies or fruit pies.

cultural
Q

What makes homemade vanilla marshmallows special compared to store‑bought versions?

A

Homemade marshmallows have a fresher, more delicate vanilla flavor, a softer melt‑in‑your‑mouth texture, and no artificial preservatives. You can also control sweetness and customize sizes or add flavors, which store‑bought marshmallows don’t allow.

cultural
Q

What are the most common mistakes to avoid when making homemade vanilla marshmallows?

A

Common errors include not heating the syrup to the correct 240°F temperature, over‑stirring the syrup after it dissolves (causing graininess), and failing to dust the pan and knife sufficiently, which leads to sticking. Also, pouring the hot syrup too quickly can cause splattering.

technical
Q

Why does this homemade marshmallow recipe use light corn syrup instead of honey or maple syrup?

A

Light corn syrup prevents sugar crystallization and gives the marshmallows a clear, glossy texture. Honey or maple syrup contain additional flavors and moisture that can make the final product denser or change the color.

technical
Q

Can I make these homemade vanilla marshmallows ahead of time and how should I store them?

A

Yes, you can make them a day or two ahead. Keep the cut marshmallows in an airtight container at room temperature, dusting each layer with powdered sugar. For longer storage, refrigerate (up to 2 weeks) or freeze (up to 3 months).

technical
Q

What does the YouTube channel Preppy Kitchen specialize in?

A

The YouTube channel Preppy Kitchen, hosted by John Kanell, specializes in easy‑to‑follow, family‑friendly recipes that blend classic comfort foods with modern twists, often focusing on desserts, snacks, and simple cooking techniques for home cooks.

channel
Q

How does the YouTube channel Preppy Kitchen's approach to American dessert cooking differ from other cooking channels?

A

Preppy Kitchen emphasizes clear, step‑by‑step visual instructions, minimal equipment, and practical tips like dusting techniques and safety warnings, making classic American desserts like marshmallows accessible to beginners, whereas many other channels focus on elaborate plating or advanced techniques.

channel

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