Hot Chocolate on a Stick (with Homemade Marshmallows)

INGREDIENTS

packages unflavored gelatin

1 cup

cold water, divided

1 1/2 cups

sugar

1 cup

light corn syrup

1/4 tsp

kosher salt

1 tsp

vanilla

1/4 cup

powdered sugar

1/4 cup

cornstarch

Nonstick cooking spray

1/2 cup

heavy cream

1 14 ounce can

of sweetened condensed milk

3 cups

semisweet chocolate chips

4 oz

unsweetened chocolate, chopped (I used a 4 oz. bar)

Lollipop sticks, cellophane treat wrappers, ribbon