Grilled Veggie Puff Pizza - Puff Pastry

Ingredients

• 1 egg
• 1 tablespoon water
• 2 tablespoons all-purpose flour
• 1 package (17.3 ounces) Pepperidge Farm® Puff Pastry Sheets, thawed
• 2 small zucchini, sliced lengthwise
• 1 medium red bell pepper, cut into 1/4-inch rings
• 2 portobello mushroom cap
• 2 tablespoons Italian salad dressing
• 4 ounces basil pesto(about 1/2 cup)
• 4 ounces fresh mozzarella cheese, thinly sliced
• 1 tablespoon fresh basil leaves, cut into thin strips