Ever found yourself scrolling through Reddit, craving some culinary inspiration for your next Costco-run potluck? You're not alone. The intersection of Costco's bulk bargains and potluck creativity has spawned a wealth of ideas on Reddit, making it a treasure trove for budget-friendly and crowd-pleasing dishes. Let's dive into some of the most popular Costco potluck ideas from Reddit, categorized for your convenience.

Before we get started, remember that Costco's product offerings can vary by location. This guide assumes you have access to a typical Costco inventory. Happy cooking!

Appetizers and Snacks
Kickstart your potluck with these Reddit-approved appetizers and snacks that won't break the bank.

Reddit users rave about Costco's Kirkland Signature Pizza for a quick and easy appetizer. Simply slice it up and serve with a side of marinara sauce. It's a crowd-pleaser that's gentle on your wallet.
Cheese and Charcuterie Boards

Create an impressive cheese and charcuterie board using Costco's extensive selection of artisanal cheeses and meats. Pair them with crackers, olives, and dried fruits for a satisfying and visually appealing appetizer.
Reddit user u/cheeselover42 suggests trying the Kirkland Signature Aged Cheddar and Prosciutto di Parma for a perfect balance of flavor and texture. Don't forget to include some honey or fig spread to complement the cheeses.
Veggie Trays with Hummus

For a healthier option, assemble a veggie tray using Costco's fresh produce. Carrots, celery, bell peppers, and broccoli are all great choices. Serve them with a side of Kirkland Signature Hummus for dipping.
Reddit user u/veggie lover recommends adding some cherry tomatoes and cucumber slices to your tray for extra color and crunch. You can also find pre-made veggie trays at Costco to save time.
Mains and Sides

Now that we've got the appetizers covered, let's move on to the main event – the dishes that will fill up your guests' plates.
Reddit users love Costco's rotisserie chickens for their tender meat and crispy skin. Pick up a few and serve them with a side of Costco's Kirkland Signature BBQ Sauce for a simple and delicious main.




















Sheet Pan Fajitas
For a more involved dish, try making sheet pan fajitas using Costco's fresh produce and meats. Start by slicing up some bell peppers, onions, and your choice of protein (chicken, steak, or shrimp all work well). Toss them with olive oil, fajita seasoning, and a bit of lime juice, then spread the mixture onto a sheet pan.
Bake at 400°F (200°C) for about 20-25 minutes, or until the meat is cooked through and the vegetables are tender. Serve with warm tortillas, sour cream, guacamole, and salsa for a customizable and satisfying meal.
Mac and Cheese
No potluck is complete without a comforting pasta dish. Costco's Kirkland Signature Mac and Cheese is a fan favorite among Reddit users, thanks to its creamy texture and rich flavor. To elevate this classic dish, consider adding some mix-ins like cooked bacon, sautéed mushrooms, or roasted vegetables.
Reddit user u/macandcheeseaddict suggests baking the mac and cheese in a casserole dish with a crispy breadcrumb topping for an extra touch of indulgence. Simply mix some panko breadcrumbs with melted butter and sprinkle it over the top of the mac and cheese before baking.
Desserts and Drinks
Finish off your potluck with these sweet treats and thirst-quenching beverages, all inspired by Reddit users' Costco finds.
Costco's Kirkland Signature Chocolate Chip Cookies are a hit with Reddit users, thanks to their soft, chewy texture and generous chocolate chips. They're perfect for serving as is or using as a base for ice cream sandwiches.
Fruit Salad
For a lighter dessert option, create a fruit salad using Costco's fresh produce. Combine a mix of berries, melon, pineapple, and grapes for a colorful and refreshing treat. Reddit user u/fruitsaladfan suggests adding a squeeze of lime juice and a sprinkle of mint leaves for extra freshness.
To make it more indulgent, you can also add a dollop of whipped cream or a scoop of vanilla ice cream to each serving.
Signature Kirkland Lemonade
Quench your guests' thirst with Costco's Kirkland Signature Lemonade, which Reddit users praise for its perfect balance of sweet and tart flavors. Serve it chilled over ice, or mix it with sparkling water for a fizzy twist.
For an alcoholic version, try mixing the lemonade with vodka or rum for a refreshing cocktail. You can also freeze some lemonade in ice cube trays to keep your drinks cold without diluting them.
There you have it – a comprehensive guide to Costco potluck ideas inspired by Reddit users. With these budget-friendly and crowd-pleasing dishes, your next potluck is sure to be a hit. Don't forget to ask your guests to share their favorite Costco finds – you never know what new inspiration you might discover! Happy potlucking!