Cook rotini pasta according to package directions until just barely tender, then drain immediately without rinsing. I stop at 9-10 minutes because the warm pasta needs to absorb dressing while still porous and receptive. Rinsing removes starch that helps bind flavors later.

While pasta drains, whisk together extra-virgin olive oil, fresh lemon juice, salt, and pepper in a large bowl until the dressing tastes bright but balanced. Taste it before moving forward—this is your only chance to adjust seasoning without complicating the dish.

Pour the warm pasta directly into the dressing and stir constantly for 2 full minutes. This step determines everything that follows because hot pasta absorbs dressing into its structure. I learned this took three seasons of sad results before understanding the timing.

Add the cooked chicken strips, halved cherry tomatoes, diced cucumber, and sliced red onion to the pasta mixture, stirring gently to combine without bruising tomatoes. The tomatoes will begin releasing their juices now, which deepens the dressing naturally over the next hours.

Fold in the mozzarella cubes, Kalamata olives, chopped parsley, and fresh mint until everything sits evenly throughout the bowl. Handle the mozzarella carefully because rough stirring breaks cubes into fragments that melt rather than stay distinct.

Cover the bowl and refrigerate for at least 2 hours before serving, though overnight develops the best flavor complexity. Cold temperatures make every herb note sharper and the overall dish more sophisticated than when warm. This waiting period tests patience, but I promise the result justifies it.

Give the elegant cold pasta salad summer recipe a gentle stir before plating, tasting for salt balance one final time. Cold temperatures mute seasoning slightly, so what tasted perfect at room temperature might need a whisper more salt when chilled.