Costco Broccoli Salad Recipe: Creamy Crunch With Sweet Bacon Bits

This classic salad delivers the perfect balance of creamy dressing, crisp vegetables, and sweet bacon in every bite. I’ve refined this version to capture that signature deli-style flavor without the mystery ingredients.

The secret lies in the combination of fresh broccoli, sharp cheddar, and a tangy-sweet dressing that clings to each piece. Cooked bacon adds smoky depth, while red onion and sunflower seeds provide satisfying crunch.

What you’ll get is a dish that’s rich and hearty yet still light and refreshing. It holds up beautifully for meal prep or potlucks, tasting even better after a few hours in the fridge.

Serve it as a side or a main dish—either way, it’s sure to disappear fast. Here’s how to make it right at home.

Ingredients for Costco Broccoli Salad

Fresh, crisp, and loaded with texture. A deli classic you can make at home.

The broccoli is the foundation—fresh crowns from Costco are perfect for this. Look for bright green florets with tight heads (no yellowing or wilt). For the cheddar, block cheese you grate yourself melts and coats better than pre-shredded. The bacon? Thick-cut from the butcher gives that meaty crunch without getting lost in the mix. I grab mine from the Costco meat section—consistent quality and good prices for the quantity.

No mayonnaise? Greek yogurt works at a 1:1 swap (though it’ll be slightly tangier). Skip the sugar? Honey or agave at the same amount keeps the sweetness. Sunflower seeds can be swapped for toasted almonds or pecans—same crunch, different flavor. For a lighter version, low-fat mayo and sour cream work, but the texture won’t be as rich. The red onion can be white or sweet onion if that’s what you’ve got.

This keeps like a champ—actually gets better after 24 hours as the flavors meld. Store it in an airtight container for up to 4 days in the fridge. Don’t dress it too far ahead, though, or the broccoli will soften. Perfect for potlucks or Sunday meal prep (it’s the first thing to disappear).

Step-by-Step Instructions for Broccoli Salad

Here’s the method. Straightforward, tested, works every time.

Step 1: Prep the Base Ingredients

Start by cutting the 6 cups fresh broccoli into small, bite-sized florets. I like to keep some stem attached for extra crunch. This size ensures every bite has the right texture without being too bulky.

Finely dice the 0.5 whole red onion—this creates a mild, sweet flavor that blends perfectly with the other ingredients. For the 8 slices thick-cut bacon, cook until crispy, then crumble into small pieces. The bacon adds that irresistible smoky-sweet element that makes this dish special.

Step 2: Toast the Sunflower Seeds

In a dry skillet over medium heat, toast the 0.5 cup sunflower seeds for 3-4 minutes until they turn light golden brown and become fragrant. Stir frequently to prevent burning—this step deepens their nutty flavor.

Once toasted, remove them from the heat immediately and let them cool. The warmth will carry over, so pulling them off at the right moment prevents over-toasting. These seeds add the perfect crunchy contrast to the creamy elements in the finished dish.

Step 3: Whisk Together the Dressing

In a medium bowl, combine the 1 cup mayonnaise, 0.5 cup sour cream, 3 tbsp granulated sugar, 2 tbsp apple cider vinegar, 1 tbsp Dijon mustard, 1 tsp kosher salt, and 0.5 tsp black pepper. Whisk until the mixture is smooth and fully emulsified.

The sugar balances the tang of the vinegar, while the mustard adds a subtle sharpness that cuts through the richness of the mayo and sour cream. Taste and adjust the seasoning if needed, but I’ve found this ratio hits the perfect sweet-tangy balance.

Step 4: Combine and Chill

In a large bowl, combine the broccoli florets, 1.5 cups sharp cheddar cheese, diced red onion, crumbled bacon, and toasted sunflower seeds. Pour the dressing over the top and fold everything together gently until evenly coated.

Cover the bowl and refrigerate for at least 1 hour (or up to 4 hours) to let the flavors meld. The chilling time is crucial—it softens the broccoli slightly and allows the dressing to penetrate every ingredient, resulting in a cohesive, creamy, and crunchy salad that’s ready to serve.

Creative Variations of This costco broccoli salad

Mediterranean Twist

Swap the sharp cheddar for crumbled feta cheese and add ½ cup diced cucumber and ¼ cup chopped Kalamata olives. The briny olives and tangy feta transform this into a Greek-inspired delight. I love this version for summer picnics. 🌟

Protein-Packed Power

Turn this into a main dish by adding 2 cups cooked, diced chicken breast or 1 can (15 oz) drained chickpeas. The extra protein makes it more filling without overwhelming the classic flavors. Perfect for lunch meal prep.

Spicy Kick

Add ½ tsp cayenne pepper to the dressing and mix in ½ cup diced pepperoni with the bacon. The heat from the cayenne pairs perfectly with the smoky pepperoni. For extra spice, top with sliced jalapeños before serving.

Vegan Delight

Replace the bacon with 1 cup crispy coconut bacon (store-bought or homemade) and use vegan mayo and cashew sour cream. The coconut bacon gives that same smoky crunch without any animal products. 💛

Asian Fusion

Transform the dressing by swapping apple cider vinegar for rice vinegar and adding 1 tbsp soy sauce and 1 tsp sesame oil. Replace sunflower seeds with toasted sesame seeds and add ½ cup shredded carrots for crunch.

Sweet & Nutty

Add ½ cup dried cranberries and ½ cup chopped pecans to the mix. The cranberries add a pop of sweetness, while the pecans bring a buttery crunch. This variation is especially popular during the holidays.

Frequently Asked Questions