Homemade Marshmallows

I saw this recipe on a television show and it is a "good thing!"

• Ready In: 25 hrs
• Yields: 40 marshmallows

Ingredients

• 2 1⁄2 tablespoons unflavored gelatin
• 1⁄2 cup cold water
• 1 1⁄2 cups granulated sugar
• 1  cup light corn syrup
• 1⁄4 teaspoon salt
• 1⁄2 cup water
• 2  tablespoons pure vanilla extract
•  confectioners' sugar (for dusting)

Directions

1. Combine gelatin and 1/2 cup cold water in the bowl of an electric mixer with whisk attachment.
2. Let it stand 30 minutes.
3. Combine granulated sugar, corn syrup, salt, and 1/2 cup of water in a small heavy saucepan; place over low heat and stir until sugar has dissolved.
4. Wash down sides of pan with a wet pastry brush to dissolve sugar crystals.
5. Clip on candy thermometer; raise heat to high.
6. Cook syrup without stirring until it reaches 244° (firm ball stage).
7. Immediately remove pan from heat.
8. With mixer on low speed, slowly and carefully pour syrup into the softened gelatin.
9. Increase speed to high; beat until mixture is very thick and white and has almost tripled in volume, about 15 minutes.
10. Add vanilla; beat to incorporate.
11. Generously dust an 8x12 inch glass baking pan with confectioners' sugar.
12. Pour marshmallow mixture into pan.
13. Dust with confectioners' sugar; let stand over night uncovered, to dry out.