Place patties in a single layer or stack and separate layers with non-greased freezer paper. Insert carefully into a freezer bag, lay flat in the freezer (if you have the room), and consume within three months.
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Next: How to Thaw Burgers
Do not thaw the patties at room temperature. Instead, stick the patties in the refrigerator and wait until they are at least partially thawed. You can grill partially frozen patties, but it may take longer for the centers to finish. This could also result in an unevenly cooked burger.
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Next: How to Store Burgers
Store hamburger patties the same way you’d store ground beef. Either keep the meat in its original container or wrap in saran wrap and insert into a plastic bag. The meat should stay fresh for one to two days.
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Inspired by the addictive White Castle burger, we set out to re-create the original. Of course, no slider is worth its weight unless it’s on a stellar bun, so we developed one of those too: squishy, slightly sweet, and perfect for sopping up burger juices. If you don’t feel up for a hamburger, you can serve these as dinner rolls, but be sure to plan on more than one per person—they go fast.
What to buy: The shortening and whole milk are critical to the softness of the buns, so don’t try to substitute either.
Game plan: These are best the day they are made but will last up to 3 days when stored covered at room temperature. To revive the buns, give them a pass in the toaster just long enough to warm them through without baking any further.