-
Combine 1/2 cup beer and gelatin in the bowl of a stand mixer and set aside
-
Combine 1 1/2 cups sugar, 1 cup corn syrup, salt, and 1/2 cup beer in a small sauce pan
-
Cook over medium heat until sugar dissolves
-
Increase heat until liquid boils, either heat until temp reaches 240 or boil for two minutes, remove from heat
-
Lock mixer bowl with gelatin and water into the stand mixer, attach whisk, and turn on low
-
Slowly stream syrup mixture into gelatin with mixer continuing on low
-
Increase mixer speed to high and continue whipping until fluffy, about 15 minutes
-
Add vanilla, whisk another 30 seconds or so
-
Dust a casserole dish with 1/4 cup powdered sugar to coat, transfer marshmallow mix to dish, leave uncovered overnight - either in refrigerator or on counter
-
Combine remaining 1/2 cup of powdered sugar with the cornstarch and sprinkle it all over a large cutting board
-
Turn marshmallow square onto the prepared cutting board and cut into desired shapes, turning each piece to coat in the powdered sugar once cut