Ranch pasta salad is a creamy, vegetable-packed side dish built on homemade buttermilk ranch dressing and fresh cucumber, cherry tomatoes, red onion, and cheddar cheese. It's an ideal make-ahead dish for summer gatherings because flavors deepen as it chills.
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Cook pasta according to package directions. Drain and allow to cool completely.
While the pasta is cooking, prepare the vegetables. Dice the cucumber, halve the cherry tomatoes, and place them in a large bowl with the diced red onion.
Cube the block of cheddar cheese and add it to the bowl with the vegetables.
In a separate, very large mixing bowl, prepare the dressing. Combine the mayonnaise, two ranch seasoning packets, and buttermilk. Whisk until smooth.
Add the cooled, cooked pasta to the bowl with the dressing.
Pour the vegetable and cheese mixture into the pasta and dressing.
Stir everything together until all ingredients are evenly coated in the creamy ranch dressing.
Serve immediately or chill in the refrigerator before serving.
Refrigerate covered for up to 2 days. The dressing may thicken as the pasta absorbs moisture; thin with a splash of buttermilk or milk before serving.
Yes. Prepare it up to 24 hours in advance and refrigerate in a covered container. The pasta absorbs the ranch dressing and flavors blend together. Stir gently before serving and add a splash of buttermilk if the salad dries out.
Casarecce or other short, textured pasta shapes like rotini, penne, or farfalle work well because they trap dressing and vegetables. Avoid long pasta like spaghetti, which doesn't hold the creamy dressing as effectively.
Yes, you can substitute 1.5 to 2 cups of store-bought ranch dressing for the homemade version. Start with less and add more to reach your preferred consistency, as bottled dressing is typically thicker than homemade.
Cut vegetables into uniform, bite-sized pieces and add them to the salad just before serving or no more than 2–3 hours ahead. Keep the dressing separate until you're ready to toss if preparing well in advance.
Yes, this ranch pasta salad is vegetarian as written. It contains no meat or fish, only pasta, vegetables, cheese, mayonnaise, buttermilk, and ranch seasoning.
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