This BLT pasta salad is one of those dishes that instantly brings back memories of backyard barbecues, warm summer evenings, and plates heaped with family favorites. I discovered this combination during a weekend potluck when I wanted all the classic BLT elements—bacon, lettuce, and tomato—but in a format that could feed a crowd and travel well. The result was so popular that friends asked for the recipe on the spot. The contrast of textures—tempered, al dente rotini, crisp bacon, buttery avocado, and crunchy romaine—paired with a bright ranch-style dressing makes it irresistibly shareable.

Every batch I make feels like a perfected version of the original: juicy cherry tomatoes pop with fresh acidity, cheddar cubes add a salty creaminess, and a cool, tangy dressing brings everything together. I usually make this for neighborhood gatherings and family lunches; it keeps well and tastes even better the next day when the flavors have had time to meld. If you’re looking for a dependable, flavorful salad that doubles as a hearty side or a light main, this one checks all the boxes.

Ingredients

• Rotini pasta (16 ounces): Use a standard dry rotini for excellent sauce hold; cook to al dente so the spirals stay slightly firm and don’t become mushy when chilled. Barilla or De Cecco are reliable brands.
• Bacon (13 slices): Thick-cut bacon provides the best texture contrast—cook until just crisp for chew and flavor, then drain well. You can bake it on a sheet pan at 400°F for even crisping.
• Red onion (½ large): Finely diced to disperse mild onion flavor without overwhelming other ingredients; soak diced onion in cold water for 10 minutes if you want to mellow its bite.
• Cheddar cheese (1½ cups, cubed): Sharp cheddar works beautifully for tang and saltiness; measure after cutting so cubes are uniform and ½-inch for even distribution.
• Romaine lettuce (2 cups, torn): Choose crisp outer leaves, remove the core, and tear into bite-sized pieces so lettuce stays crunchy rather than limp.
• Avocado (1): Use a just-ripe avocado—firm but yielding—to add creaminess without turning to mush. Cut into 3/4-inch pieces and add just before serving to avoid browning.
• Cherry tomatoes (1½ cups, halved): Choose sweet, ripe cherry or grape tomatoes; halving them releases juices that mingle with the dressing for juicy bites.
• Parsley (¼ cup, chopped): Fresh flat-leaf parsley brightens the salad and adds a clean herbal note—Italian parsley preferred.
• Dressing: One 1-ounce packet Hidden Valley dry dressing mix, 1½ cups mayonnaise, ½ cup sour cream—whisked and chilled to allow flavors to bloom.

Instructions

Make the dressing: In a medium mixing bowl, combine the 1-ounce dry ranch dressing mix, 1½ cups mayonnaise, and ½ cup sour cream. Whisk until smooth and there are no dry streaks. Cover the bowl with plastic wrap and refrigerate for at least 30 minutes so the dry mix rehydrates and the flavors mellow—this step is key to a well-balanced dressing. Cook the pasta: Bring a large pot of well-salted water to a rolling boil and cook 16 ounces of rotini according to package instructions to al dente (usually 8–10 minutes). Drain, rinse thoroughly with cold water to stop cooking and cool the pasta, then drain again to remove excess moisture. Transfer to a large mixing bowl. Prepare mix-ins: While the pasta cooks, crisp 13 slices of bacon in a skillet or bake on a sheet pan; drain on paper towels and chop into bite-sized pieces. Finely dice ½ large red onion, halve 1½ cups cherry tomatoes, cube 1½ cups sharp cheddar, chop ¼ cup parsley, tear 2 cups romaine into bite-sized pieces, and cube 1 avocado. Keep avocado separate until just before tossing if not serving right away. Toss everything together: Add the chopped bacon, red onion, cheddar cubes, avocado pieces, cherry tomatoes, parsley, and torn romaine to the bowl with cooled pasta. Pour the chilled dressing over the ingredients, then use tongs to gently toss until everything is evenly coated—be careful not to mash the avocado. Serve and finish: Serve immediately for maximum crunch from the romaine and bacon. If preparing ahead, add avocado just before serving and store dressed salad covered in the refrigerator for up to 24 hours. Garnish with additional parsley or a few extra tomato halves for color.

Storage Tips

Store leftovers covered in the refrigerator for up to 24 hours. For best results, store the dressing in a sealed container separately and add to the pasta and mix-ins just before serving; this preserves lettuce crunch and prevents the avocado from browning too quickly. Use airtight glass containers for the best flavor retention. If you must pack for transport, assemble in layers—pasta, cheese and bacon first, tomatoes and lettuce on top—and toss with dressing when you arrive.

Ingredient Substitutions

If you need a lighter version, substitute plain Greek yogurt for half of the mayonnaise and replace sour cream with additional yogurt—expect a tangier, less rich dressing. For a vegetarian option, swap bacon for smoked tempeh or crispy fried tofu; for gluten-free diets, use a certified gluten-free rotini. To reduce sodium, choose a low-sodium bacon or rinse cooked bacon briefly on a paper towel to remove excess grease and salt.

Serving Suggestions

Serve this salad cold as a side to grilled chicken, burgers, or fish. For a heartier lunch, add an extra cup of cooked chicken breast or chickpeas. Garnish with additional chopped parsley, a sprinkle of smoked paprika, or a few microgreens for a professional finish. Pair with crusty bread and a crisp white wine for a relaxed summer meal.

Cultural Background

The BLT is a classic American sandwich with roots in early 20th-century sandwich culture; this dish is a direct evolution that keeps the original flavors but transforms them into a shareable, picnic-friendly format. Combining pasta salads with sandwich flavors is a modern American adaptation that blends convenience with familiarity, and it’s typical at family gatherings and potluck tables across the country.

Seasonal Adaptations

In summer, use the ripest tomatoes you can find and consider adding grilled corn for sweetness. In cooler months, swap cherry tomatoes for roasted grape tomatoes and use hearty romaine hearts. For holiday gatherings, add roasted red peppers and a handful of toasted pine nuts to give the salad more depth.

Meal Prep Tips

To meal prep, cook the pasta and store it in a sealed container in the fridge for up to three days. Keep cheese, bacon, and dressing in separate containers and assemble fresh portions each day. If you like avocado, buy slightly firm fruit and slice it fresh each morning to prevent browning. Use insulated containers if you’ll be on the go to keep the salad cool until serving.

Whether you’re feeding a crowd or making lunches for the week, this BLT pasta salad is forgiving, flavorful, and reliably satisfying. I encourage you to make it your own—tweak the cheese, add herbs, or try a lighter dressing until it sings for your table. Happy cooking and even happier sharing!