First, pick your weapon: a lemon custard pie (no meringue) or a no-bake lemon icebox pie (the kind with condensed milk). These freeze beautifully because their chemistry is more like ice cream than soufflé. A standard lemon tart with a blind-baked crust? Also a winner.
Easy Frozen Lemon Pie - 4 ingredients - Twisted Mike’s - YouTube
Here’s the method: cool the pie completely. Don’t even think about wrapping it warm—that’s how you get condensation, which is the enemy of crust. Wrap the whole pie in two layers of plastic wrap, then a layer of heavy-duty aluminum foil. For extra swagger, put the wrapped pie in a freezer bag and squeeze out all the air. Yes, it’s overkill. Yes, your freezer will look like a hostage situation.
Label it with the date and a warning. I write “DO NOT EAT UNTIL NEXT TUESDAY OR FACE MY WRATH.” It works.
The Thawing Dance
Now the fun part: unfreezing your sour treasure. Do not just throw the frozen pie on the counter like a hockey puck. Let it thaw slowly in the refrigerator for 6-8 hours. If you rush, the crust will go from crisp to cardboard. For an icebox pie, you can even serve it semi-frozen—it’s basically lemon sorbet in crust form.
One time I forgot a frozen lemon tart in the fridge for three days. It thawed, then it got a little weepy, but I threw it in the oven at 300°F for 10 minutes and it resurrected like a puckery Jesus. The crust got crunchy again. The lemon curd recovered. My dignity? Still questionable.
4-Ingredient Frozen Lemon Pie Recipe That's Sweet & Tart