Step 1

Garlic Herb Dipping Sauce: In bowl, whisk together yogurt, parsley, mustard and garlic; set aside.

Step 2

Cut zucchini crosswise into 1 cm (1/2 inch) slices; place in bowl.

Step 3

Add broccoli and tomatoes. Add parsley, garlic and pepper.

Step 4

Spray vegetables lightly with olive oil cooking spray; toss to coat well.

Step 5

Skewer vegetables onto skewers alternating with each vegetable.Place on greased grill over medium heat and grill for about 15 minutes, turning twice or until golden and tender crisp.

Step 6

Serve with dipping sauce.