20 Costco Sides to Elevate Your Thanksgiving Feast

Thanksgiving sides can transform a meal, and Costco delivers effortless, crowd-pleasing options.

We rounded up 20 standout picks and rated them for flavor, texture, and value.

From creamy classics to crunchy surprises, these heat-and-serve favorites taste homemade without the work.

Grab these easy wins and let your holiday table shine.

Kirkland Signature Lobster Mac and Cheese – $6.99/lb

• Creamy Indulgence: Buttery lobster chunks swim in a gooey cheddar sauce over cavatappi pasta—rich, seafood-forward bite with subtle brininess that elevates any turkey plate.
• Texture Triumph: Al dente noodles hold up post-bake, with a golden, crackly top that adds irresistible crunch.
• Value Verdict: Luxe flavor for everyday pricing; heats in 20 minutes, serves 8-10 per pound.

Main Street Bistro Scalloped Potatoes – $6.80/tray

• Cheesy Comfort: Layers of tender potatoes in a velvety cheddar-Parmesan sauce deliver savory, garlicky depth with a hint of nutmeg warmth.
• Texture Triumph: Silky slices melt in your mouth, crowned by a bubbly cheese crust for contrast.
• Value Verdict: Oven-ready in 30 minutes; family-sized tray feeds 6-8 without skimping on decadence.

Fra’Mani Creamed Corn – $12.99/32-oz tray

• Sweet Nostalgia: Buttery kernels burst with corn’s natural sweetness, laced with cream and a whisper of thyme for cozy, farm-fresh vibes.
• Texture Triumph: Velvety smooth yet pops with whole corn gems, no gritty aftertaste.
• Value Verdict: Microwave magic in 5 minutes; premium organic feel at bulk pricing for 8 servings.

Kirkland Signature Garlic Parmesan Dinner Rolls – $7.99/12-pack

• Herbaceous Bliss: Fluffy interiors yield to garlicky, buttery exteriors dusted in Parmesan—aromatic and addictive.
• Texture Triumph: Pillowy soft with a crisp, golden shell that shatters satisfyingly.
• Value Verdict: Bake-fresh in 10 minutes; versatile for sopping gravy, packs value for 12 guests.

Boudin Organic Sourdough Stuffing – $11.06/22-oz

• Savory Depth: Tangy sourdough cubes soak up herb-infused broth with celery and onion notes—rustic, Thanksgiving classic reborn.
• Texture Triumph: Chewy bread bits mingle with moist, flavorful crumbles for balanced heft.
• Value Verdict: Organic quality shines; oven-heats in 25 minutes, stretches to feed 10.

Stonemill Kitchens Organic Cranberry Sauce – $10.20/36-oz jar

 

• Tart Harmony: Whole berries pop against a jellied base, balancing sharp cranberry zing with subtle orange undertones.
• Texture Triumph: Chunky yet spreadable, clings perfectly to spoons or turkey slices.
• Value Verdict: No-added-sugar purity; chill-and-serve ease for 12+ portions at unbeatable bulk rates.

Kasia’s Potato and Cheese Pierogis – $13.61/14 Oz, 3 ct

• Hearty Dumpling Magic: Pillowy dough encases creamy mashed potatoes and farmer’s cheese—mildly tangy, onion-kissed filling.
• Texture Triumph: Tender boil or pan-fry yields crispy edges with steamy, fluffy centers.
• Value Verdict: Freezer-friendly staple; batch-cooks for 16, blending Polish tradition with side-dish smarts.

Kirkland Signature Broccoli Salad with Walnuts and Dressing – $7.99/lb

• Crunchy Freshness: Crisp broccoli florets toss with kale, walnuts, and cranberries in poppy seed dressing—nutty, sweet-savory crunch.
• Texture Triumph: Snappy veggies contrast chewy dried fruit and toasty nuts for dynamic bites.
• Value Verdict: No-cook assembly; pre-portioned for 6-8, health boost without flavor sacrifice.

Main Street Bistro Mashed Potatoes – $11.18/two 32-oz trays

• Velvety Riches: Yukon Golds whipped with real butter and cream—smooth, garlicky goodness minus lumps.
• Texture Triumph: Airy fluff that spoons like clouds, reheats without drying.
• Value Verdict: Dairy-driven authenticity; doubles up for 12 servings, microwave-ready in minutes.

Fra’Mani Holiday Dressing with Sausage and Sage – $12.99/31-oz tray

• Meaty Aromatics: Italian sausage crumbles weave through bread cubes with sage and fennel—bold, herby savoriness.
• Texture Triumph: Moist yet structured, with sausage bits adding juicy pops.
• Value Verdict: Artisanal edge at chain prices; bakes to perfection for 8, evoking Nonna’s kitchen.

Kirkland Signature Cranberry Walnut Round – $9.07/loaf

• Rustic Rustle: Whole-grain loaf studded with tart cranberries and crunchy walnuts—subtly sweet, nut-forward crumb.
• Texture Triumph: Chewy interior with a crusty exterior, ideal for tearing and dipping.
• Value Verdict: Bakery-fresh vibe; slices for 10+, toasts effortlessly for gravy soppers.

Kevin’s Natural Foods Turkey Gravy – $11.34/48-oz pouch

• Silky Umami: Roasted turkey essence in gluten-free broth with herbs—rich, savory pour without lumps.
• Texture Triumph: Velvety smooth, clings to meats and spuds alike.
• Value Verdict: Paleo-friendly pour-over; heats in 2 minutes for 16, no stirring stress.

Organic Sweet Potatoes – $2.26 /5-lb bag

• Earthy Sweetness: Vibrant orange flesh roasts to caramelized bliss—natural sugars shine with a buttery melt.
• Texture Triumph: Fluffy when mashed, crisp edges if wedged—versatile dream.
• Value Verdict: Farm-direct organics; yields 10 sides, budget hero for roasting or pureeing.

Marie Callender’s Organic Cornbread Mix – $8.70/4-lb bag

• Golden Crumble: Buttermilk-infused batter bakes into tender, slightly sweet squares—cornmeal crunch with honey hints.
• Texture Triumph: Moist crumb flecked with kernel pops, golden crust for toasting.
• Value Verdict: Just-add-wet ease; bakes 20 muffins or a pan, organic at everyday low.

Fresh Gourmet Crispy Onions – $5.66/large bag

• Oniony Snap: Thin-sliced rings fried to shatter—bold, savory punch for casseroles or toppings.
• Texture Triumph: Ultra-crispy without sogginess, even post-bake.
• Value Verdict: Casserole game-changer; covers 12+ dishes, stashable for year-round crunch.

Kirkland Signature Loaded Mashed Potatoes – $14.26/pack

• Bacon Bliss: Creamy spuds loaded with cheddar, bacon bits, and chives—smoky, tangy overload.
• Texture Triumph: Fluffy base with melty cheese rivers and crisp bacon flecks.
• Value Verdict: Indulgent twist on classic; reheats for 8, all the fixings included.

Reser’s Main Street Bistro Scalloped Potatoes – $9.09/4-lb tub

• Layered Luxury: Potato rounds in Romano-sour cream sauce—nutty, creamy with peppery kick.
• Texture Triumph: Fork-tender layers under a broiled cheese blanket.
• Value Verdict: Crowd-scale tub; oven-finishes in 40 minutes for 10-12.

Husk Organic Cranberry Sauce – $10.20/large jar

• Berry Burst: Minimalist blend of fruit, sugar, and salt—vibrant tartness with floral notes.
• Texture Triumph: Jiggly yet jewel-like, spoons clean without residue.
• Value Verdict: Clean-label simplicity; jars 20 servings, fridge staple beyond holidays.

Kirkland Signature Sweet Mashed Potatoes – $7.99/tray

• Maple Warmth: Orange mash swirled with brown sugar and cinnamon—cozy, autumnal hug.
• Texture Triumph: Silky smooth with subtle skin flecks for rustic charm.
• Value Verdict: Naturally sweet ease; bakes or microwaves for 8, pairs with everything.

Pumpkin Spice Loaf – $8.99/loaf

• Spiced Slice: Pumpkin puree cake with nutmeg and clove, topped in white chocolate drizzle—festive, moist crumb.
• Texture Triumph: Dense yet tender, frosting adds creamy contrast.
• Value Verdict: Breakfast-to-side versatility; slices for 10, seasonal steal.