Share via:
Feeding a crowd doesn’t have to mean cooking from scratch all day.
Grab a couple of rotisserie chickens and a few staples from Costco, and you’ve got easy ways to feed a big group without spending your whole afternoon in the kitchen.

These easy Costco meals for a crowd are perfect for parties, family gatherings, office potlucks, game days, and weekends when you have extra people to feed.
Most of these ideas are budget-friendly, easy to serve, and great for large groups.
If you need cheap meals to feed a crowd, this list gives you plenty of Costco dinner ideas that are practical, filling, and easy to pull together.
1. Costco Rotisserie Chicken Taco Bar

Shred a couple of Costco rotisserie chickens and set out warm tortillas, salsa, guacamole, shredded cheese, lettuce, and sour cream.
Everyone builds their own, so there’s no last-minute cooking and no one’s stuck plating 20 tacos by hand.
What You Need
- 2 Costco rotisserie chickens, shredded
- 1 pack flour or corn tortillas
- 1 jar salsa
- 1 tub guacamole
- 2 cups shredded cheese
- 2 cups shredded lettuce
- 1 container sour cream
- Lime wedges
How To Make It
- Shred the rotisserie chicken, discarding skin and bones.
- Warm the tortillas in a dry skillet or the oven.
- Set the chicken and all toppings out in separate bowls.
- Let everyone build their own tacos.
2. Rotisserie Chicken Slider Tray

Pull the chicken, pile it onto Hawaiian rolls with a slice of cheese, and bake the whole tray under a simple buttery topping until the tops are golden and the cheese has melted through. It’s a sheet pan in, a sheet pan out, no assembly line required.
What You Need
- 1 rotisserie chicken, shredded
- 1 pack Hawaiian rolls (12-count)
- 12 slices provolone or cheddar
- 4 tbsp melted butter
- 1 tsp garlic powder
- 1 tsp poppy seeds (optional)
How To Make It
- Preheat the oven to 350°F.
- Slice the whole pack of rolls in half horizontally, keeping them connected.
- Layer the bottom half with chicken and cheese, then set the top half back on.
- Mix melted butter with garlic powder and brush over the tops.
- Bake 15-20 minutes until the cheese melts and the tops are golden.
- Slice into individual sliders.
3. Costco Chicken Alfredo Pasta Bake

Toss cooked pasta with rotisserie chicken, a jar of Alfredo sauce, mozzarella, and steamed broccoli, then bake until bubbly. It reheats well too, so it’s a solid pick if you’re feeding people in shifts.
What You Need
- 1 lb penne or rotini
- 1 rotisserie chicken, shredded
- 1 jar Kirkland Alfredo sauce
- 2 cups steamed broccoli florets
- 2 cups shredded mozzarella
How To Make It
- Cook the pasta according to package directions and drain.
- Preheat the oven to 375°F.
- Toss the pasta with chicken, Alfredo sauce, and broccoli in a large baking dish.
- Top with mozzarella.
- Bake 20-25 minutes until bubbly and golden on top.
4. Costco Meatball Sub Bar

Heat a bag of Costco meatballs in marinara, then let people build their own subs with rolls, mozzarella, and whatever toppings you set out. Keep the meatballs warm in a slow cooker and this one basically runs itself.
What You Need
- 1 bag Costco frozen meatballs
- 1 jar marinara sauce
- 1 pack sub rolls
- 2 cups shredded mozzarella
- Sliced banana peppers or onions (optional)
How To Make It
- Heat the meatballs and marinara together in a slow cooker or pot until warmed through.
- Set out the sub rolls, cheese, and toppings.
- Let everyone build their own sub, then toast under the broiler if you want the cheese melted.
5. Sheet-Pan Chicken Fajitas

Slice Costco chicken strips with peppers and onions, roast on a sheet pan, and serve with warm tortillas and the usual fajita toppings. One pan feeds a lot more people than you’d expect, and cleanup is just as easy.
What You Need
- 1 bag Costco chicken strips
- 2 bell peppers, sliced
- 1 onion, sliced
- 2 tbsp oil
- 1 packet fajita seasoning
- Tortillas
- Toppings: sour cream, cheese, salsa
How To Make It
- Preheat the oven to 425°F.
- Toss the chicken, peppers, and onion with oil and fajita seasoning on a sheet pan.
- Roast 15-20 minutes, stirring once, until the chicken is cooked through and the vegetables are tender.
- Serve with warm tortillas and toppings.
6. Costco Street Taco Platter

Grab Costco’s taco kit, or build your own with chicken, small tortillas, slaw, cheese, and salsa. Street-taco size means people can try a few different combinations without committing to one big taco.
What You Need
- 1 Costco taco kit, or 1 rotisserie chicken, shredded
- Small corn tortillas
- 1 bag coleslaw mix
- Shredded cheese
- Salsa
- Lime wedges
How To Make It
- Warm the small tortillas.
- Fill each with chicken, a spoonful of slaw, and cheese.
- Top with salsa and serve with lime wedges on the side.
7. Rotisserie Chicken Nacho Bar

Layer tortilla chips with shredded chicken, beans, cheese, jalapeños, salsa, and guacamole, then broil just until the cheese melts. Set it out on one big tray and let people dig in from all sides.
What You Need
- 1 bag tortilla chips
- 1 rotisserie chicken, shredded
- 1 can black beans, drained
- 2 cups shredded cheese
- Jarred jalapeños
- Salsa
- Guacamole
How To Make It
- Preheat the broiler.
- Spread the chips over a large baking sheet.
- Top with chicken, beans, and cheese.
- Broil 2-3 minutes until the cheese melts, watching closely so it doesn’t burn.
- Top with jalapeños, salsa, and guacamole before serving.
8. Costco Ravioli Bake

Layer refrigerated ravioli with marinara and mozzarella in a big dish for an easy crowd-sized casserole. No boiling the ravioli separately first, no fuss, just layer and bake.
What You Need
- 2 bags Costco refrigerated cheese ravioli
- 1 jar marinara sauce
- 2 cups shredded mozzarella
- Grated Parmesan
How To Make It
- Preheat the oven to 375°F.
- Layer the uncooked ravioli, marinara, and mozzarella in a baking dish, repeating the layers.
- Top with Parmesan.
- Cover with foil and bake 35-40 minutes.
- Uncover and bake 5 more minutes until golden.
9. Chicken Caesar Wrap Platter

Toss rotisserie chicken with Caesar salad mix and Parmesan, then roll it into tortillas and cut into party-size pieces. They hold up fine at room temperature, so you can make them ahead of time.
What You Need
- 1 rotisserie chicken, shredded
- 1 Costco Caesar salad kit
- Large tortillas
How To Make It
- Toss the shredded chicken with the Caesar salad kit (lettuce, dressing, croutons, cheese).
- Spoon the mixture onto tortillas and roll tightly.
- Slice each wrap into 3-4 pieces and arrange on a platter.
10. Costco Pizza + Caesar Salad Dinner

This is about as close to zero-prep as feeding a large group gets. Grab a couple of Costco pizzas, a bagged Caesar kit, and you’ve got dinner covered in the time it takes to preheat the oven.
What You Need
- 1-2 Costco food court or bakery pizzas
- 1 Costco Caesar salad kit
How To Make It
- Bake the pizzas according to the package directions.
- Toss together the Caesar salad kit.
- Serve both family-style.
11. BBQ Rotisserie Chicken Sandwiches

Shred the chicken, mix it with barbecue sauce, and pile it onto buns with coleslaw on top or on the side. It’s a five-minute assembly if you’ve already got the chicken pulled.
What You Need
- 1-2 rotisserie chickens, shredded
- 1 bottle BBQ sauce
- Hamburger buns
- 1 bag coleslaw mix
- Coleslaw dressing
How To Make It
- Toss the shredded chicken with BBQ sauce in a pot over low heat until warmed through.
- Toss the coleslaw mix with dressing.
- Pile the chicken onto buns and top with coleslaw.
12. Costco Baked Potato Bar

Bake a tray of potatoes and set out shredded chicken, cheese, broccoli, sour cream, green onions, and chili so people can load their own. It’s filling, it’s cheap per serving, and there’s something for the picky eaters too.
What You Need
- 6-8 russet potatoes
- 1 rotisserie chicken, shredded
- Shredded cheese
- Steamed broccoli
- Sour cream
- Sliced green onions
- Canned chili (optional)
How To Make It
- Scrub the potatoes and pierce each a few times with a fork.
- Bake at 400°F for 45-60 minutes until fork-tender.
- Split each potato open.
- Set out chicken, cheese, broccoli, sour cream, green onions, and chili so people can build their own.
13. Chicken Pesto Pasta for a Crowd

Toss pasta with Costco’s pesto, rotisserie chicken, halved tomatoes, spinach, and a heavy hand of Parmesan. It’s just as good warm as it is at room temperature, which makes it forgiving if dinner runs a little behind schedule.
What You Need
- 1 lb pasta
- 1 rotisserie chicken, shredded
- 1 tub Costco basil pesto
- 1 pint cherry tomatoes, halved
- 2 cups baby spinach
- Grated Parmesan
How To Make It
- Cook the pasta according to package directions, reserving 1/2 cup pasta water before draining.
- Toss the hot pasta with pesto, adding reserved water as needed to loosen the sauce.
- Stir in the chicken, tomatoes, and spinach until the spinach wilts.
- Top with Parmesan before serving.
14. Costco Mediterranean Chicken Bowls

Set out chicken, rice, hummus, cucumber, tomatoes, feta, pita, and tzatziki, and let everyone build their own bowl. It covers a lot of dietary preferences at once without you having to cook three different meals.
What You Need
- 1 rotisserie chicken, shredded
- Cooked rice
- 1 tub hummus
- 1 cucumber, sliced
- 2 tomatoes, chopped
- Crumbled feta
- Pita bread
- Tzatziki
How To Make It
- Set out rice, chicken, and all toppings in separate bowls.
- Let everyone build their own bowl: rice as the base, chicken on top, toppings and pita on the side.
15. Chicken Burrito Bowl Bar

Line up Costco chicken with rice, black beans, corn, salsa, cheese, lettuce, and guacamole for a build-your-own burrito bowl spread. It’s basically the taco bar’s cousin, and just as easy to keep warm in a couple of slow cookers.
What You Need
- 1 rotisserie chicken, shredded
- Cooked rice
- 1 can black beans
- 1 cup corn
- Salsa
- Shredded cheese
- Shredded lettuce
- Guacamole
How To Make It
- Warm the beans and corn separately.
- Set out rice, chicken, beans, corn, and the remaining toppings buffet-style.
- Let everyone build their own bowl.
16. Costco Mac and Cheese With Rotisserie Chicken

Bulk up a tray of Costco mac and cheese with shredded chicken and serve it alongside a simple salad. It stretches a small tray into a real dinner for a crowd without adding much extra work.
What You Need
- 1 tray Costco prepared mac and cheese
- 1 rotisserie chicken, shredded
- Side salad
How To Make It
- Bake the mac and cheese according to package directions.
- Stir in the shredded chicken during the last 10 minutes of baking so it warms through.
- Serve with a side salad.
17. Costco Chicken Pot Pie + Salad

Bake the large chicken pot pies and serve them with a simple Caesar or garden salad on the side. It’s about as effortless a dinner as you’ll find, and it still feels like you put in real effort.
What You Need
- 1-2 Costco large chicken pot pies
- 1 bagged salad kit
How To Make It
- Bake the pot pies according to package directions.
- Toss together the salad kit.
- Serve pot pie slices alongside the salad.
18. Costco Lasagna Dinner

Bake a frozen or prepared lasagna and round it out with garlic bread, salad, and a vegetable side. It’s a classic for a reason: it feeds a lot of people from one dish, and leftovers reheat just as well the next day.
What You Need
- 1 Costco frozen or prepared lasagna
- Garlic bread
- 1 bagged salad kit
- Steamed vegetables (optional)
How To Make It
- Bake the lasagna according to package directions.
- Warm the garlic bread in the oven during the last 10 minutes.
- Toss the salad kit.
- Serve everything family-style.
19. Costco Teriyaki Chicken Rice Bowls

Serve chicken, rice, stir-fried vegetables, teriyaki sauce, and green onions buffet-style so people can portion their own bowls. It comes together fast if you use the pre-cooked rotisserie chicken instead of cooking chicken from scratch.
What You Need
- 1 rotisserie chicken, shredded, or Costco teriyaki chicken
- Cooked rice
- 1 bag frozen stir-fry vegetables
- Teriyaki sauce
- Sliced green onions
- Sesame seeds
How To Make It
- Steam or microwave the stir-fry vegetables.
- Warm the chicken with a few tablespoons of teriyaki sauce.
- Set out rice, chicken, vegetables, extra sauce, green onions, and sesame seeds buffet-style.
20. Costco Greek Chicken Pita Bar

Set out rotisserie chicken, pita bread, hummus, tzatziki, cucumbers, tomatoes, feta, and olives for a Greek-style build-your-own spread. It’s light compared to a lot of the other options here, which makes it a good pick if you’re mixing up the menu across a few gatherings.
What You Need
- 1 rotisserie chicken, shredded
- Pita bread
- 1 tub hummus
- Tzatziki
- 1 cucumber, sliced
- 2 tomatoes, chopped
- Crumbled feta
- Olives
How To Make It
- Warm the pita bread.
- Set out chicken, hummus, tzatziki, and all toppings.
- Let everyone build their own pita.

