Chicken Chilly logo

9 Thanksgiving Side Dishes You Can Make Ahead and Freeze, Ranked by How Well They Reheat

We froze and reheated nine classic Thanksgiving sides to find which ones taste fresh-made and which ones you should cook on the day.

By Antonio Ricci
9 Thanksgiving Side Dishes You Can Make Ahead and Freeze, Ranked by How Well They Reheat

Thanksgiving dinner is not hard because of any one dish. It is hard because eight dishes all need the oven between 2 p.m. and 4 p.m. on the same Thursday.

A few years ago, we stopped fighting that problem and started using the freezer instead. If you have read our 15-day freezer meal prep system, you already know how much we trust our chest freezer. This October, we put that trust to a real test. We made nine classic Thanksgiving sides, froze them for at least two weeks, then reheated each one and tasted it side by side with a fresh batch.

Below are all nine, ranked from "nobody could tell it was frozen" to "honestly, just make this one fresh." Each one includes how long it keeps, how we reheated it, and the small changes that make a big difference.

Why Make-Ahead Sides Matter in 2026

Hosting is getting more expensive and more stressful. Market research firm NIQ found that 41% of Americans plan to host Thanksgiving this year, and 47% of people hosting or attending expect to spend more than last year. NIQ also found cranberry sauce prices up 15% compared with a year ago.

Freezing helps with both stress and cost. When you cook sides two or three weeks early, you can shop sales spread over several weeks instead of paying peak prices on the Monday before Thanksgiving. You also avoid the oven traffic jam on the big day.

Kitchen appliance experts agree. In an AHAM interview on holiday freezing, food expert Lam was direct: "Mashed potatoes are great for freezing." She also recommended making freezer-friendly dishes two or three weeks in advance when you can.

The Food Safety Rules We Follow

Before the rankings, here are the rules that keep make-ahead food safe. These come from the USDA's leftover guidance and apply to anything you cook and freeze.

  • Cool fast. Get cooked food into the fridge or freezer within two hours. The USDA says you do not need to wait for food to cool to room temperature first. Shallow containers cool faster than deep ones.
  • Wrap tightly. The USDA's advice is to "cover leftovers, wrap them in airtight packaging, or seal them in storage containers." Air exposure causes freezer burn, which dries food out and creates off flavors.
  • Know the quality window. Frozen food stays safe indefinitely at 0°F, but the USDA says quality is best within 2 to 6 months.
  • Reheat to 165°F. Casseroles and stuffing should reach 165°F in the center. Use an instant-read thermometer, especially if you microwave, because microwaves leave cold spots.

How We Scored Each Side

We rated every dish on a 10-point "reheat score" based on three things: texture after thawing, flavor compared with a fresh batch, and how much effort it took to bring back. A 10 means our tasters could not tell the difference. Anything below a 6 is a dish I would rather cook fresh.

1. Mashed Potatoes (Reheat Score: 9.5/10)

Mashed potatoes were the surprise champion. When made with plenty of butter and cream, they freeze and reheat almost perfectly. Fat coats the starch granules, which protects them from ice crystal damage. That is the technical reason fat-rich mashed potatoes survive and lean ones turn grainy.

Chowhound's freezing guide backs this up and adds two warnings we confirmed. Potatoes mashed with broth instead of dairy turn watery and icy. And chopped onion or garlic pieces can go slimy after thawing, so use garlic powder or roasted garlic paste instead.

How we froze them: Yukon Gold potatoes, 1 stick of butter and 3/4 cup heavy cream per 3 pounds. Cooled, spread into a buttered 9x13 foil pan, wrapped twice.

How we reheated them: Thawed overnight in the fridge, covered with foil, baked at 350°F for 35 minutes, stirred in 2 tablespoons of butter and a splash of warm milk.

Keeps: 1 to 2 months for best texture.

2. Cornbread Stuffing (Reheat Score: 9/10)

Stuffing is basically a bread casserole, and bread freezes well. Cornbread stuffing did even better than white bread stuffing in our test, because cornbread has a sturdier crumb that does not turn mushy.

You have two options. You can bake it fully and freeze it, or you can mix it raw and freeze it immediately. If you freeze it unbaked, Intentional Hospitality notes you should bake it straight from frozen until it reaches 165°F, rather than thawing it first.

Our tip: Keep the celery and onion pieces small. Large vegetable chunks release water when they thaw.

Keeps: Up to 3 months.

3. Macaroni and Cheese (Reheat Score: 8.5/10)

Baked mac and cheese freezes well as long as you plan for it. The pasta keeps absorbing sauce in the freezer, so a mac and cheese that looks perfect on day one comes back dry on day 21.

The fix: Undercook the pasta by 2 minutes and make your cheese sauce about 25% looser than normal. Freeze it without the breadcrumb topping. Add the topping right before it goes into the oven.

How we reheated it: Baked from frozen, covered, at 350°F for 50 minutes, then uncovered with fresh breadcrumbs for 15 more.

Keeps: 2 to 3 months.

4. Turkey Gravy (Reheat Score: 8.5/10)

Gravy is the most underrated make-ahead item on this list. Making it early means no frantic whisking while the turkey rests. You can make a rich gravy using roasted turkey wings from the grocery store, then freeze it in quart containers.

One catch: Flour-thickened gravy may look a little separated after thawing. Whisk it hard over medium heat and it comes right back. Cornstarch-thickened gravy does not freeze as well, so stick with a butter and flour roux.

Keeps: 3 to 4 months.

5. Sweet Potato Casserole (Reheat Score: 8/10)

The sweet potato base freezes beautifully. The topping does not. Marshmallows go gummy and pecan streusel gets soggy.

How we did it: Froze the mashed sweet potato filling in a foil pan, thawed it overnight, baked it at 350°F for 30 minutes, then added fresh marshmallows or pecan topping for the last 10 to 15 minutes.

Keeps: 2 to 3 months.

6. Cheesy Corn Casserole (Reheat Score: 7.5/10)

Corn casserole, the kind made with creamed corn, sour cream, and corn muffin mix, held up better than expected. Chowhound lists it among the sides that freeze well, and we agree. The texture came back slightly denser, but most tasters liked it just as much.

Our tip: Bake it fully before freezing. Unbaked corn casserole batter separated in our test.

Keeps: 2 to 3 months.

7. Green Bean Casserole (Reheat Score: 7/10)

America's favorite canned-soup casserole freezes fine, with one big rule: never freeze it with the crispy fried onions on top. GE Appliances' make-ahead guide gives the same advice for any casserole with a crunchy topping.

The green beans lose a little snap in the freezer, which is why this one landed lower. If you use fresh green beans, blanch them for only 2 minutes so they have room to soften during reheating.

Keeps: 2 to 3 months.

8. Cranberry Sauce (Reheat Score: 7/10)

Homemade cranberry sauce is easy to freeze because cranberries are packed with natural pectin, the fiber that makes jams set. The flavor stayed bright. The texture loosened a bit, but a quick simmer for 5 minutes thickened it right back up.

With cranberry prices up this year, buying fresh bags on sale in early November and making sauce right away is a smart move.

Keeps: Up to 2 months.

9. Dinner Rolls (Reheat Score: 6.5/10)

Rolls technically freeze well, but they are the one item where fresh really does taste better. Frozen baked rolls came back slightly dry, even after we brushed them with butter.

Better option: Freeze the shaped, unbaked dough. On Thanksgiving morning, let it rise and bake fresh. You get the fresh-bread smell without making dough on the busiest day of the year.

Keeps: Unbaked dough up to 1 month.

The One Side We Would Not Freeze

Scalloped potatoes did not make our list. In the AHAM interview, Lam suggests making scalloped potatoes the day of because freezing can dry them out. Chowhound says portioned scalloped potatoes can freeze fine. In our test, the cream sauce broke and turned grainy, so we side with making them fresh. If you love them, assemble them the day before and refrigerate instead of freezing.

Quick Comparison Table

Rank Side Dish Reheat Score Freezer Life Freeze Topping?
1 Mashed potatoes 9.5 1 to 2 months N/A
2 Cornbread stuffing 9 Up to 3 months N/A
3 Mac and cheese 8.5 2 to 3 months No
4 Turkey gravy 8.5 3 to 4 months N/A
5 Sweet potato casserole 8 2 to 3 months No
6 Corn casserole 7.5 2 to 3 months N/A
7 Green bean casserole 7 2 to 3 months No
8 Cranberry sauce 7 Up to 2 months N/A
9 Dinner rolls 6.5 1 month (dough) N/A

Our Make-Ahead Timeline for Thanksgiving 2026

Thanksgiving falls on Thursday, November 26, 2026. Here is the calendar we are following:

  • Weekend of November 7 to 8: Make and freeze gravy and cranberry sauce.
  • Weekend of November 14 to 15: Make and freeze mashed potatoes, mac and cheese, and corn casserole.
  • Weekend of November 21 to 22: Make and freeze stuffing, sweet potato base, and green bean casserole. Start thawing the turkey.
  • Tuesday, November 24: Move everything from the freezer to the fridge to thaw.
  • Thursday, November 26: Reheat in shifts while the turkey rests. Add all crunchy toppings fresh.

Final Thoughts

After this test, I am convinced that most of Thanksgiving can be cooked weeks ahead with almost no loss in quality. The rule is simple. Rich, saucy, starchy dishes freeze well. Anything crunchy, crispy, or delicate should be added fresh.

If you are also cooking the bird, see our turkey method showdown for the fastest way to free up your oven on the big day. And when it is all over, our white chicken chili vs Texas red post has a white chili recipe that works just as well with leftover turkey.

Sources