Blue cheese and bacon give potato salad the kind of backbone that makes people go back for a second scoop before the rest of the meal even lands on the table. The potatoes stay tender but not mushy, the bacon adds salt and crunch, and the dressing brings just enough tang to keep the whole bowl from feeling heavy. It’s the sort of side dish that eats like a main event.
What makes this version work is balance. Red potatoes hold their shape better than starchy varieties, so the salad stays chunky instead of turning pasty. The dressing uses sour cream, mayonnaise, and buttermilk together, which gives you creaminess without making the blue cheese taste flat. A little white wine vinegar wakes everything up and keeps the richness from taking over.
You’ll also find a few practical tips below for keeping the potatoes intact, getting the dressing to coat evenly, and making the salad ahead so the flavors have time to settle in. This is one of those dishes that tastes even better after a good chill in the fridge.
I used red potatoes and let the salad chill for the full two hours, and the dressing thickened up beautifully without getting gloppy. The blue cheese stayed bold, and the bacon still had a little crunch after serving.
Save this blue cheese and bacon potato salad for steak nights, cookouts, and any table that needs a bold, creamy side with a little crunch.
The Trick to Keeping the Blue Cheese from Taking Over
Blue cheese can dominate a potato salad fast, especially if the potatoes are hot enough to melt it into the dressing. The better move is to fold in half of the crumbles with the potatoes, then finish the top with the rest after everything is coated. That way you get pockets of sharp, salty flavor instead of one muddy, blended note.
The other place people go wrong is overmixing. Once the potatoes are tender, they’ll break apart if you stir like you’re making mashed potatoes. Use a soft hand and toss just until the dressing clings. If the potatoes are still steaming, let them cool for a few minutes first so the sour cream and mayonnaise stay creamy instead of loosening into a thin sauce.
What Each Ingredient Is Actually Doing in This Bowl

- Red potatoes — These hold their shape after boiling and give the salad a clean, chunkier bite. Waxy potatoes like this are the right choice here; russets turn too soft and soak up the dressing in a way that makes the salad heavy.
- Bacon — Cook it until the fat renders and the pieces are crisp enough to stay crunchy after chilling. Thick-cut bacon works fine, but cook it a little longer so it doesn’t go limp once it meets the dressing.
- Blue cheese crumbles — Use a good-quality block-style blue cheese if you can, then crumble it yourself for bigger, creamier bits. Pre-crumbled cheese is convenient, but it tends to be drier and less bold.
- Sour cream, mayonnaise, and buttermilk — This trio makes the dressing creamy, tangy, and loose enough to coat the potatoes without turning gluey. If you need a lighter swap, Greek yogurt can replace the sour cream, but the dressing will taste a little sharper and less plush.
- White wine vinegar — This is what keeps the richness from feeling flat. If you substitute another vinegar, use one with a clean, bright edge rather than anything sugary or strongly flavored.
- Green onions — They add a fresh bite that cuts through the bacon and cheese. Slice them right before serving for the best flavor and color.
Building the Salad So It Stays Creamy, Not Heavy
Boiling the Potatoes Just Long Enough
Start the potatoes in cold water and bring them up to a boil so they cook evenly from the inside out. Once a fork slides in with little resistance, stop there; if they cook past tender, the cubes split and the finished salad turns soft around the edges. Drain them well and let the steam escape before you add anything creamy.
Mixing the Dressing First
Stir together the sour cream, mayonnaise, buttermilk, vinegar, salt, and pepper in a separate bowl before it touches the potatoes. That gives you a dressing that coats evenly instead of leaving pockets of plain potato and pockets of raw tang. If it looks too thick to spread, add a small splash more buttermilk until it falls off the spoon in a slow ribbon.
Folding Everything Together
Add the potatoes, bacon, and only half the blue cheese to the bowl, then pour the dressing over top and fold gently from the bottom up. You want the cubes coated, not crushed. The most common mistake here is stirring too aggressively once the dressing goes in, which turns the bottom of the bowl creamy and leaves the top dry.
The Chill That Brings It Together
Top the salad with the remaining blue cheese and the green onions, then refrigerate it for at least 2 hours. That rest time lets the dressing settle into the potatoes and gives the blue cheese a chance to mellow slightly without disappearing. Serve it cold or just slightly cool for the best texture.
Three Smart Ways to Change It Without Losing the Point
Make It a Little Lighter
Swap half the mayonnaise for plain Greek yogurt. The salad will still be creamy, but the dressing turns tangier and a little less rich, which works well if you’re serving it next to something fatty like grilled steak or ribs.
Skip the Bacon Without Losing Contrast
If you need a vegetarian version, leave out the bacon and add chopped celery or toasted pecans for crunch. You’ll lose the smoky saltiness, so season the dressing a little more assertively and keep the blue cheese amount the same.
Use It as a Steakhouse-Style Potluck Side
Double the green onions and hold back a few extra bacon bits and blue cheese crumbles for the top right before serving. That last-minute finish gives the salad a fresher look and keeps the crunchy and creamy textures distinct on the first bite.
Storage and Reheating
- Refrigerator: Keeps for 3 days in a covered container. The potatoes will absorb more dressing as it sits, so the salad gets thicker and a little less glossy by day two.
- Freezer: Don’t freeze this one. The dairy dressing separates and the potatoes turn grainy once thawed.
- Reheating: This salad is meant to be served cold, not reheated. If it has thickened too much in the fridge, stir in a spoonful of buttermilk or sour cream to loosen it before serving.
Answers to the Questions Worth Asking

Blue Cheese and Bacon Potato Salad
Ingredients
Equipment
Method
- Bring a large pot of water to a boil over high heat, then add the cubed red potatoes and cook until tender, about 10-15 minutes. Visual cue: the centers should offer little resistance when pierced with a fork.
- Drain the potatoes in a colander and spread them out to cool until just warm, about 10 minutes. Visual cue: surface should look matte rather than steaming.
- In a bowl, whisk together sour cream, mayonnaise, buttermilk, white wine vinegar, salt, and pepper until smooth, about 30-60 seconds. Visual cue: no streaks and the dressing looks creamy and pourable.
- In a large bowl, combine the cooled potatoes with the cooked and crumbled bacon and half of the blue cheese. Visual cue: bacon and cheese distribute evenly through the potatoes.
- Pour the dressing over the potato mixture and toss gently until every piece is coated. Visual cue: potatoes look glossy and lightly clinging with dressing rather than dry.
- Top with the remaining blue cheese and the sliced green onions. Visual cue: blue cheese crumbles sit on top and green onions look fresh and bright.
- Refrigerate for 2 hours before serving. Visual cue: the salad firms up slightly and tastes well combined after chilling.