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A woman standing in front of her car full of groceries in a winter coat covered in snow.
 As an executive member, I know all the best things to buy for my big family at Costco.

Olivia Brochu

  • I'm a mom of four who loves shopping at Costco using my executive membership.
  • My family likes the Kirkland Signature organic Greek yogurt and rotisserie chicken.
  • Costco helps me score great deals on my kids' favorite items, such as berries and Goldfish crackers.

I started shopping at Costco about nine years ago. Back then, I had only one child, but Costco's price for bulk diapers was reason enough to sign up for an executive membership.

Now that I'm a mom of four, it only made sense to keep renewing that membership year after year. Here's what I buy at Costco to keep my family of six happy and full.

I always grab a rotisserie chicken for dinner on shopping days.
A hand holding a Kirkland Signature seasoned rotisserie chicken in a bag.

Olivia Brochu

I'm typically exhausted after grocery shopping, but a delicious rotisserie chicken makes dinner easy.

We almost always have enough leftovers for chicken tostadas the next night, and I frequently use the carcass (plus some onions, celery, carrots, and herbs) to make broth in the slow cooker.

Frozen edamame makes a great side dish.
A bag of Imperial Garden organic edamame in a box at Costco.

Olivia Brochu

I love making the Imperial Garden frozen edamame as a side dish with dinner. An added bonus is that it's one of the few plants my kids will actually eat.

This big bag is full of smaller portions that go from frozen to ready-to-eat in just three minutes in the microwave.

It pairs well with the rotisserie chicken, and sometimes, I even eat it as a salty bedtime snack.

Costco's berry selection is colorful and affordable.
A boy holding packages of strawberries, blueberries, raspberries, and blackberries in an aisle at Costco.

Olivia Brochu

My kids love berries, and though I'm happy they reach for a healthy option, the price tag for these fruits can be high.

However, I've found Costco's strawberries, blueberries, raspberries, and blackberries are affordable and delicious.

The whole family enjoys the Kirkland Signature organic Greek yogurt.
A hand holding a container of Kirkland Signature organic plain Greek yogurt.

Olivia Brochu

Everyone in our house, from my 7-month-old baby to my 34-year-old husband, loves the creamy and delicious Kirkland Signature organic Greek yogurt. It's high in protein and nonfat and pairs perfectly with the aforementioned berries.

Kirkland Signature steak strips are another great high-protein option.
A hand holding a bag of Kirkland Signature dried-beef steak strips.

Olivia Brochu

I always snag a few bags of the Kirkland Signature dried beef steak strips.

My husband usually eats these jerky snacks with his lunch, and I often grab a handful on my way out the door for school dismissal. They're quick, easy, delicious, and gluten-free.

The Kirkland Signature protein bars make the perfect grown-up snack.
Boxes of Kirkland Signature protein bars.

Olivia Brochu

My husband and I rely on Kirkland Signature protein bars for a macro-friendly snack or breakfast.

They're so delicious that I almost feel like I'm eating a candy bar. Almost.

My 6-year-old can't get enough Goldfish.
Large boxes of cheddar Goldfish crackers.

Olivia Brochu

Costco's large box of Goldfish, which includes three bags of the snack, is the only size that makes sense for my family.

I fill a bin in the snack cabinet with the cheddar crackers and store the extra in our pantry. The bin sees a lot of refills, but this giant box usually lasts us about a month.

Costco has a great selection of nut butter.
An aisle of various nut butters at Costco.

Olivia Brochu

Costco has a great selection of nut butter, and I usually find myself buying more than one kind. In an opinionated household of six, everyone has a favorite spread, and they don't often overlap.

I grab almond butter for my husband, natural peanut butter for me, Nutella for my 8-year-old, creamy Jif for my 6-year-old, and crunchy Jif for my 3-year-old.

Costco's New York steaks make for a special date night at home.
Packages of steaks in a display case.

Olivia Brochu

It may not come as a surprise, but babysitters aren't exactly lining up at my door to watch my four kids. Instead, my husband and I like to get creative with date nights at home using Costco's beef loin New York steaks.

I can typically find a pack of five for about $50. We usually grill or reverse sear steaks on Friday nights after the kids are in bed.

This story was originally published on February 3, 2025 and most recently updated on January 29, 2026.

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I'm an executive Costco member and mom of 4. Here are 9 items I always pick up …