Rocket Whip is a holiday ingredient available in various Papa Louie's restaurant time-management games.
In Papa's Bakeria/To Go!, it is a holiday-exclusive whipped cream available during Starlight Jubilee. It is unlocked on Day 4 of the holiday.
In Papa's Pancakeria HD/To Go!, it is a holiday-exclusive whipped cream available during Starlight Jubilee. It is unlocked with Marty when the player reaches Rank 12.
In Papa's Freezeria Deluxe, it is a holiday-exclusive whipped cream available during Starlight Jubilee. It is unlocked on Day 4 of the holiday.