For the Vinaigrette: In a small bowl, whisk together the lemon juice, olive oil, salt, and pepper until combined.
For the Salad: Place the garbanzo beans, zucchini, corn, red onion, and lettuce in a large salad bowl. Pour the vinaigrette over the salad and toss well. Garnish with the crumbled Parmesan cheese and serve.
SERVINGS: 4 (MAIN); Calories: 252; Total Fat: 16 grams; Saturated Fat: 3 grams; Protein: 8 grams; Total carbohydrates: 20 grams; Sugar: 4 grams; Fiber: 4 grams; Cholesterol: 6 milligrams; Sodium: 383 milligrams