A "large freezer" refers to a big, cold storage space where you can keep a lot of food or other items at a very low temperature to preserve them for a longer time. Full definition
Once patties are frozen, remove from cookie sheet and store in large freezer bags. (365daysofeasyrecipes.com)
He said he cut them in strips, put them in the freezer on parchment paper cookie sheet then when they were frozen he then put them in large freezer bag and zip. (lanascooking.com)
In large freezer bag, toss shrimp with curry, chopped garlic, salt and cayenne pepper. (philmaffetone.com)