In a blizzard you won’t have access to the grill, so pick up a propane camping stove (Optimus Crux Lite, $40). In a ventilated room, use it to boil water for some of the surprisingly tasty mix-and-serve meals campers live on (like AlpineAire Mountain Chili for two, $8).
This is some pretty poor advice, . . .
For emergency home use the kit can be somewhat more substantial and for winter backup a double gas burner, a portable heater and a LPG portable Lantern based on domestic 15Kg LPG bottles make much more sense.