Yukon Golds bring the butter flavor before you add any butter. Their waxy-starchy middle ground gives you a mash that’s creamy without being gluey, and their golden color looks right next to fried chicken or turkey.

The seasoning goes in the potatoes, not just the gravy. Most homemade mashed potatoes rely on the gravy for all of their flavor. Here the Cajun seasoning and garlic powder go straight into the mash, so every bite has a little heat even where the gravy doesn’t reach. That’s the difference between Cajun mashed potatoes and plain mashed potatoes with spicy gravy.

A golden roux gives the gravy body. Cooking the butter and flour for a full 2 minutes, until it smells toasty and turns light golden, adds a nutty flavor that tastes slow-cooked. A pale, barely cooked roux tastes floury.

Fine ground meat is the restaurant-style secret weapon. If you choose to add it, browning a quarter pound of ground beef or mild sausage into tiny crumbles gives the gravy a meaty depth that chicken broth alone can’t. Break it up as finely as you can so it disappears into the sauce rather than reading as chunks.

• Start with cold water. Putting potatoes in cold water and bringing it to a boil cooks them evenly. Dropping them into boiling water cooks the outside before the inside is done.
• Salt the water well. Potatoes absorb salt as they cook, and this is your only chance to season them from the inside. A tablespoon of kosher salt in the pot is about right.
• Don’t over-mash. Over-mashing releases too much starch and makes the potatoes gummy. Mash until mostly smooth with a few small lumps remaining. Never use a blender or food processor.
• Warm your milk and cream first. Cold dairy lowers the temperature and can make the potatoes seize up. Thirty seconds in the microwave gives you a smoother mash.

If you want the closest match to the restaurant’s uniformly smooth texture, or you just need a side on the table fast, use flakes:

1. Bring 2 cups of water to a boil, then take the pot off the heat.
2. Stir in 1/2 cup of milk, 3 tablespoons of butter, 1 teaspoon of Cajun seasoning, 1/2 teaspoon of garlic powder and 1/2 teaspoon of salt.
3. Stir in 2 cups of instant potato flakes until just combined. Let them stand for a minute, then fluff with a fork.

Make the gravy exactly as written while the water heats. The whole thing takes about 15 minutes, and it’s a smart move at Thanksgiving when every burner and every minute is spoken for.

The day before: Make the gravy completely, including the ground meat if you’re using it. Cool it and refrigerate it in a covered container. If you want to free up the stove on the day, make the mashed potatoes too, spread them in a buttered baking dish, dot the top with butter, cover tightly and refrigerate.

Morning of: Take the potatoes and gravy out of the fridge about an hour before you plan to reheat them. If you’re making the potatoes fresh instead, peel and cube them and keep them submerged in cold water in the pot so they don’t brown.

The last 30 minutes: While the turkey rests, either boil and mash the potatoes fresh (about 25 minutes), or slide the make-ahead dish into a 350°F oven, covered, for 30–35 minutes. Stir once halfway through with a splash of warm milk. Reheat the gravy over medium-low heat, whisking in 2–4 tablespoons of broth. Whisk a few spoonfuls of skimmed turkey drippings into it for extra flavor.

Holding: If dinner runs late, move the finished potatoes to a slow cooker on WARM with a splash of milk stirred in. They’ll hold for about 2 hours. Keep the gravy covered on the lowest burner and whisk it right before serving.

Ingredient	6 servings (as written)	12 servings
Yukon Gold potatoes	2 pounds	4 pounds
Unsalted butter (potatoes)	4 tablespoons	8 tablespoons (1 stick)
Whole milk	1/2 cup	1 cup
Heavy cream	1/4 cup	1/2 cup
Cajun seasoning (potatoes)	1 teaspoon	2 teaspoons
Garlic powder	1/2 teaspoon	1 teaspoon
Kosher salt	1 teaspoon	2 teaspoons (then to taste)
Black pepper	1/2 teaspoon	1 teaspoon
Butter (gravy)	2 tablespoons	4 tablespoons
All-purpose flour	2 tablespoons	4 tablespoons
Chicken broth	1 1/2 cups	3 cups
Onion powder	1/2 teaspoon	1 teaspoon
Cajun seasoning (gravy)	1/2 teaspoon	1 teaspoon
Ground beef or sausage (optional)	1/4 pound	1/2 pound

For 12, boil the potatoes in your largest stockpot, or split them between two pots so they cook evenly. Add the salt gradually when you scale up, since Cajun blends carry their own salt. A doubled gravy needs a few extra minutes of simmering to thicken. If you have the broth, make a triple batch of gravy. It’s the first thing to run out at a holiday table.

Mashed potatoes, refrigerated: Up to 3 days in an airtight container. Reheat covered in the microwave in 1-minute bursts, or in a saucepan over low heat, stirring in warm milk and a pat of butter until creamy again.

Mashed potatoes, frozen: Up to 1 month. The butter and cream help them freeze better than lean mash. Thaw overnight in the fridge before reheating. Instant-flake mash doesn’t freeze well, so make that version fresh.

Gravy, refrigerated: Up to 3 days. It sets into a soft gel as it cools, which is normal. Reheat over medium-low heat, whisking in broth a tablespoon at a time.

Gravy, frozen: Up to 3 months. Freeze in a zip-top bag laid flat. If it looks a little separated after thawing, a vigorous whisk over the heat brings it back together.

• Undercooking the potatoes. If a fork meets any resistance, keep simmering. Firm potatoes turn lumpy no matter how much you mash.
• Leaving water in the pot. Drain well and let the potatoes steam in the hot pot for a minute before adding dairy. Watery potatoes taste bland.
• Double-salting. Cajun seasoning is salty. Taste after adding it before you reach for more salt.
• Chunky meat in the gravy. If you add ground meat, break it into the finest crumbles you can while it browns. Big pieces make it taste like chili, not Popeyes gravy.
• Dumping the broth in all at once. Whisk in the first half cup a splash at a time to form a smooth paste, then add the rest. That’s how you avoid lumps.

• Popeyes Chicken Sandwich — the crispy brined-thigh sandwich with pickles and mayo; mashed potatoes are the natural side.
• Popeyes Red Beans and Rice — the Louisiana staple with smoked sausage, Cajun seasoning, and long-cooked kidney beans; a complete comfort meal alongside the mashed potatoes.
• Popeyes Biscuits — flaky, cold-butter biscuits that round out a full Popeyes spread.

Building a Thanksgiving spread with a little Cajun heat? Serve these next to KFC Mashed Potatoes and Gravy for a mild-versus-spicy potato bar, add Cracker Barrel Cornbread Dressing, and bake a pan of Golden Corral Yeast Rolls to mop up the extra gravy.

See all Popeyes copycat recipes →