Cook the Pasta: Boil salted water in a large pot, add pasta and cook until al dente (8-10 minutes). Drain and rinse under cold water.

Prepare the Dressing: Combine lemon juice, olive oil, salt, and pepper in a bowl. Whisk or shake in a jar until well blended.

Combine Ingredients: In a large bowl, toss cooled pasta, arugula, cherry tomatoes, and Parmesan until well mixed.

Dress the Salad: Drizzle dressing over the salad and toss gently to coat all ingredients.

Adjust Seasoning: Taste and adjust salt and pepper as needed for flavor balance.

Serve: Transfer to serving bowls, topping with extra Parmesan and pepper if desired.