1 cup whole wheat flour
1/4 c cornstarch
1 tablespoon baking powder
1/2 teaspoon dried Italian seasoning
1/4 teaspoon garlic powder
1/4 teaspoon salt
1/4 cup chilled unsalted butter, cut into small pieces
1 ounce turkey pepperoni, chopped (1/4 cup)
0.5 ounce part-skim mozzarella cheese, shredded (about 2 tablespoons)
0.5 ounce reduced-fat sharp cheddar cheese, shredded (about 2 tablespoons)
2 teaspoons grated fresh Parmesan cheese
1/4 cup 2% reduced-fat milk
1 large egg
Cooking spray