PREPARATION:

1. Preheat oven to 350°F. Coat 9-inch pie pan with nonstick cooking spray; set aside.
2. For filling, combine peaches and lemon juice in medium bowl. Combine 1 tablespoon flour, 2 tablespoons sugar and 1 teaspoon cinnamon in small bowl. Add to peach mixture; spread mixture into prepared pan.
3. For topping, combine 1-1/2 cups flour, 1/4 cup sugar and baking powder in medium bowl. Combine milk, egg and margarine in small bowl. Add to flour mixture; stir just until flour is blended. Drop batter by tablespoons on top peach filling. Combine 2 teaspoons sugar and 1/2 teaspoon cinnamon in small bowl; sprinkle on top.
4. Bake 45 to 50 minutes or until toothpick inserted in center comes out clean. Serve warm with ice cream, if desired.