Starting at center, roll dough into a 12 inch circle or sqaure. Spread sauce evenly over dough. Add cheeses, vegatables and meat. Bake 15 - 20 minutes or until crust is golden brown. Cut and serve.
Place cornflakes into a plastic storage bag.
Place crushed flakes in 2 quart baking dish. Add cheese, butter, garlic, thyme, salt and pepper. Stir to combine. Rinse chicken and pat dry. Place milk in a bowl.