Chickpea, Tuna and Onion Salad with Creamy Lemon Dressing

Ingredients

• 1/4 cup plain nonfat yogurt
• 3 tbsp low-fat mayonnaise
• 1 1/2 tbsp Dijon mustard
• 1 tsp grated lemon peel
• 1 6-ounce can solid white tuna in spring water, drained
• 2 tbsp fresh lemon juice
• 1 15 to 16-ounce can chickpeas, rinsed, drained
• 1 cup chopped sweet onion
• 1 cup chopped celery
• 1 cup cherry tomatoes, halved
• 1/2 cup chopped fresh Italian parsley