Toast the croutons:
Preheat oven to 375°F.
Drizzle bread cubes with enough olive oil so they are all very lightly coated. Toss and add salt.
Spread out onto a sheet pan and bake until edges turn brown, 7-10 minutes. Keep a close eye on them so they don’t burn, stir and toss them as needed.
Croutons can be made up to 1 week ahead and stored in an airtight container at room temperature.
Assemble the salad:
Cook the pasta in heavily salted water until al dente. Drain and toss with olive oil to keep from sticking. Set aside to cool to room temperature.
While the pasta cooks and cools, make sure you have everything else needed for the salad (wash the lettuce, shred cheese, etc.)
In a large bowl, toss the cooked pasta with half of the dressing until well coated. Add lettuce, croutons, chicken and the cheese and toss until combined. Add more dressing as needed. (If desired, set some of the croutons, chicken and cheese aside to add as a garnish to the top of the salad after everything is tossed. It looks nice for serving!)
Serve immediately (see Notes section for make-ahead options).
To make this salad ahead of time: Toss half of the dressing with cooked pasta, chicken, and the cheese. Store in the fridge for up to 12 hours, then add croutons, lettuce and more dressing just before serving. Because the lettuce wilts over time and croutons get a little soggy, this salad doesn't keep very well fully assembled in the fridge.
Calories: 338kcal, Carbohydrates: 24g, Protein: 25g, Fat: 15g, Saturated Fat: 4g, Cholesterol: 59mg, Sodium: 406mg, Potassium: 236mg, Fiber: 1g, Sugar: 1g, Vitamin A: 484IU, Vitamin C: 1mg, Calcium: 127mg, Iron: 2mg