Thanksgiving is all about family, flavor, and comfort. But spending hours in the kitchen doesn’t have to be part of it. Costco makes holiday prep easier with a wide range of ready-made Thanksgiving sides that taste homemade. From creamy mashed potatoes and rich mac & cheese to roasted vegetables and warm dinner rolls, Costco’s sides bring convenience and great flavor to your table.
Whether you’re preparing a full meal or adding to your turkey dinner, these sides are affordable, delicious, and ready to heat and serve.
For the main course, you can explore the Costco Thanksgiving Meal Kit 2026, which includes turkey, classic sides, and desserts—all in one package.
Why Choose Costco Thanksgiving Sides?
Costco’s Thanksgiving sides combine quality ingredients, big-batch value, and easy preparation. You can serve restaurant-style dishes without spending hours cooking. Many items are pre-cooked and just need to be heated, making them ideal for busy families.
Plus, the pricing is family-friendly, ranging from about $7 to $15 per dish, depending on size. The sides are available in generous portions that feed several people—perfect for large gatherings.
If you want to complete your meal, you can also check Costco Cakes and Costco Fruit Platters for dessert and appetizers.
Costco Thanksgiving Sides Menu with Prices
| Side Dish | Price (Approx.) | Calories (per serving) |
|---|---|---|
| Reser’s Main St. Bistro Baked Scalloped Potatoes | $7.79 (2.5 lbs) | 210 cal |
| Kirkland Signature Loaded Mashed Potatoes | $8.99 (2.5 lbs) | 250 cal |
| Main Street Bistro Mashed Potatoes | $6.99 (2.5 lbs) | 150 cal |
| Kirkland Mashed Sweet Potatoes | $12.47 (5 lbs) | 180 cal |
| La Terra Fina Cranberry Jalapeño Dip | $8.59 (31 oz) | 80 cal |
| Green Bean Casserole | $9.99 (3 lbs) | 190 cal |
| Caesar Salad Kit | $8.99 (family size) | 170 cal |
| Artisan Bread Rolls | $5.99 (dozen) | 120 cal |
| Stuffing with Sausage and Herbs | $12.99 (3 lbs) | 240 cal |
| Roasted Brussels Sprouts with Bacon | $10.49 (2.5 lbs) | 140 cal |
| Cranberry Sauce | $6.49 (32 oz) | 60 cal |
| Macaroni and Cheese | $9.99 (3 lbs) | 310 cal |
| Sweet Cornbread Muffins | $7.49 (dozen) | 210 cal |
| Roasted Garlic Mashed Potatoes | $7.99 (2.5 lbs) | 170 cal |
| Pumpkin Cheesecake | $19.99 (5 lbs) | 320 cal |
Best Costco Thanksgiving Sides 2026
Here’s a closer look at some of Costco’s most popular Thanksgiving side dishes available in stores and online this season:
1. Reser’s Main St. Bistro Baked Scalloped Potatoes
Description: Creamy, cheesy potatoes baked with milk, butter, and cheddar.
Why It’s Great: Comforting, rich, and perfect next to roasted turkey.
Price: $7.79 (2.5 lbs).
Tip: Heat in the oven for golden, crispy edges.
2. Kirkland Signature Loaded Mashed Potatoes
Description: Yukon Gold potatoes topped with butter, bacon, and cheese.
Why It’s Great: A hearty, crowd-pleasing classic.
Price: $8.99 (2.5 lbs).
Tip: Bake until hot and bubbly for extra flavor.
3. Kirkland Mashed Sweet Potatoes
Description: Smooth and lightly seasoned sweet potatoes.
Why It’s Great: Balances savory dishes with natural sweetness.
Price: $12.47 (5 lbs).
Tip: Add toasted pecans on top for a festive crunch.
4. La Terra Fina Cranberry Jalapeño Dip
Description: A creamy dip with tart cranberries and mild jalapeño spice.
Why It’s Great: Works as an appetizer or condiment for turkey.
Price: $8.59 (31 oz).
Tip: Serve chilled with crackers or vegetables.
5. Green Bean Casserole
Description: Classic casserole made with tender green beans and crispy onions.
Why It’s Great: Adds a warm, vegetable-based side to your meal.
Price: $9.99 (3 lbs).
Tip: Bake until the onion topping is golden and crisp.
You can find a full recipe breakdown on Costco Green Bean Casserole for more details.
6. Stuffing with Sausage and Herbs
Description: Traditional bread stuffing blended with savory sausage and herbs.
Why It’s Great: Adds a hearty, rich flavor that pairs beautifully with turkey gravy.
Price: $12.99 (3 lbs).
Tip: Toast lightly in the oven before serving for a crisp top layer.
7. Roasted Brussels Sprouts with Bacon
Description: Fresh Brussels sprouts roasted and mixed with smoky bacon bits.
Why It’s Great: Brings a perfect mix of healthy greens and indulgence.
Price: $10.49 (2.5 lbs).
Tip: Reheat uncovered in the oven to keep them crisp.
8. Macaroni and Cheese
Description: Creamy macaroni blended with a rich cheese sauce.
Why It’s Great: Loved by kids and adults alike—simple, gooey, and filling.
Price: $9.99 (3 lbs).
Tip: Sprinkle breadcrumbs on top for a baked, golden crust.
9. Sweet Cornbread Muffins
Description: Moist, buttery cornbread muffins with a hint of sweetness.
Why It’s Great: A tasty alternative to dinner rolls.
Price: $7.49 (dozen).
Tip: Serve warm with butter or honey for best taste.
10. Artisan Bread Rolls
Description: Soft and golden bread rolls baked fresh in Costco bakeries.
Why It’s Great: Perfect for dipping in gravy or making mini sandwiches.
Price: $5.99 (per dozen).
Tip: Warm in the oven before serving.
For dessert pairings, you can explore Costco Thanksgiving Pies or the classic Pumpkin Cheesecake for a sweet finish.
Seasonal & Limited-Time Thanksgiving Items 2026
Every year, Costco releases a few limited-edition items just for the holiday season. Popular choices for 2026 include:
- Pumpkin Cheesecake: Rich, creamy, and nearly 5 pounds – $19.99.
- Butter Pecan Bundt Cake: Sweet and nutty with toffee frosting – $11.
- Costco Thanksgiving Meal Kit ($269.99): Full dinner for 8 to 10 people, including turkey, sides, and dessert.
If you plan to buy a full meal, check your local store’s schedule for Thanksgiving hours at Is Costco Open on Thanksgiving 2026?.
Availability and Ordering Tips
Costco’s Thanksgiving sides are available from mid-October through late November 2026.
Because many dishes are seasonal, popular items like pumpkin pie and mashed potatoes often sell out close to Thanksgiving.
Tips for ordering:
- Shop early: Visit in early November to get the best selection.
- In-store: Find all sides in the prepared foods and deli section.
- Online: Use Instacart or Costco.com to check local stock and arrange delivery.
- Plan ahead: Combine your side orders with desserts or a main course from the Costco Catering Menu for an easy, full-course dinner.
Final Thoughts
Costco’s Thanksgiving Sides 2026 bring together taste, quality, and convenience. Whether you choose rich mac & cheese, creamy potatoes, or seasonal desserts, you can serve a delicious meal with minimal prep time.
Pair your sides with the Costco Thanksgiving Meal Kit 2026 or add your favorite desserts from Costco Cakes to make the celebration complete.
Plan early, shop smart, and enjoy a stress-free Thanksgiving feast with Costco—your shortcut to a holiday meal everyone will love.