Marshmallows (yields about 40 large marshmallows)

Grease 9x13-in. pan and powder with powdered sugar
3 Tbs. (21 g) gelatin	soak 10 min.	drizzle while mixing	mix until marshmallow has fluffed up	mix	cool in pan for 3 hours	cut	powder
1/2 cup (120 mL) water
2 cups (400 g) sugar	boil until 250°F (120°C)
2/3 cup (160 mL) corn syrup
1/4 cup (60 mL) water
1/4 tsp. (1.5 g) salt
1 Tbs. (15 mL) vanilla extract
Powdered sugar