Peach Cobbler Filling

In 2-quart casserole, combine brown sugar, cornstarch, and pumpkin pie spice. Stir in water. Cook, uncovered, at HIGH power for 1 minute, stirring after 30 seconds, till mixture is thickened and bubby. Add peaches; heat again, covered, at HIGH power for 5 minutes, till fruit mixture is boiling hot. In the meantime mix the cobbler topping*. When the fruit is hot, spoonthe topping into 5 or 6 mounds around the edges of the casserole. Mix the 2 teaspoons of sugar with the cinnamon and sprinkle it over the dumplings. Cover the casserole and cook on HIGH power for 4 minutes or til the dumplings are done.