Step 1

Cook pasta as package directs. Drain and rinse thoroughly with cold water; drain.

Step 2

Combine dressing ingredients in a large bowl: lemon juice, olive oil, capers plus liquid, garlic, dill, salt and pepper. Stir well; let stand 10 minutes.

Step 3

Just before serving, add pasta, celery, onion, spinach and olives; toss to coat. Garnish with cheese, if desired.