Frosty S'mores Bars
To Make Ahead
Prepare as directed through Step 3. Cover with plastic wrap, then with heavy foil. Freeze up to 1 month. To serve, continue as directed in Step 4.
Broiling the marshmallow topping goes quickly enough that the ice cream won't melt. If you have a crème brûlée torch, use it to toast the marshmallow creme instead.