Zucchini, Sweet Onion, and Red Pepper Tart

Ingredients

• 1 (10-inch) Greek Baking-Powder Piecrust
• Cooking spray
• 2 large eggs
• 2 large egg whites
• 1 cup chopped Vidalia or other sweet onion
• 2 cups diced red bell pepper (about 2 medium)
• 1/2 teaspoon salt, divided
• 4 cups chopped zucchini (about 1 pound)
• 2 garlic cloves, minced
• 1 tablespoon water
• 1 teaspoon chopped fresh or 1/4 teaspoon dried thyme
• 1/2 cup skim milk
• 2 tablespoons nonfat dry milk
• 1/4 cup (1 ounce) finely grated fresh Parmesan cheese
• 1/4 cup (1 ounce) shredded Gruyère or Swiss cheese

Preparation

1. Preheat oven to 375°.
2. Press Greek Baking-Powder Piecrust into a 10-inch quiche dish coated with cooking spray. Combine eggs and egg whites in a medium bowl; beat well with a whisk. Brush 2 tablespoons egg mixture over crust, and set remaining egg mixture aside. Bake at 375° for 7 minutes; cool on a wire rack.
3. Place a large nonstick skillet coated with cooking spray over medium heat until hot. Add onion, bell pepper, and 1/4 teaspoon salt; saute 10 minutes or until lightly browned. Add zucchini, garlic, and water; saute 10 minutes or until vegetables are tender. Stir in thyme. Spoon zucchini mixture into prepared crust.
4. Add milks and 1/4 teaspoon salt to remaining egg mixture in bowl; beat well. Pour egg mixture evenly over zucchini mixture; sprinkle with cheeses. Bake at 375° for 45 minutes or until knife inserted near center comes out clean.